Patents-Review.com
ClassID:

139484 ⎘

F02D19/0671 - CPC Classification

Classification description:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed; Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers; Treating or cleaning means; Fuel filters Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes

Recent Application in this class:
#1
20260139636
2026-05-21

INTERNAL COMBUSTION ENGINE

 #2
20250305462
2025-10-02

GASEOUS AND DUAL FUEL INTAKE SYSTEM FOR DIESEL AND GASOLINE ENGINES

 #3
20250136155
2025-05-01

AMMONIA CRACKING FOR MULTI-FUEL ENGINES

 #4
20250116237
2025-04-10

VEHICLE WITH FUEL DENSIFIER

 #5
20250075666
2025-03-06

System for supplying VOC as fuel for engine and vessel using VOC as fuel

 #6
20250012224
2025-01-09

System for remotely monitoring and controlling operation of a hydro-diesel engine

 #7
20240328367
2024-10-03

Engine control apparatus

 #8
20240309832
2024-09-19

Supply system

 #9
20240309821
2024-09-19

System for remotely monitoring and controlling operation of a hydro-diesel engine

 #10
20240309801
2024-09-19

Explosion Safe Electrolysis Unit

 #11
20240301815
2024-09-12

Ultra Low Enhancement Gas Injection

 #12
20240093637
2024-03-21

ROLLOVER-SAFE ELECTROLYSIS UNIT FOR VEHICLES

 #13
20240018915
2024-01-18

AMMONIA-HYDROGEN FUSION FUEL DIFFUSION COMBUSTION CONTROL SYSTEM BASED ON REACTIVITY REGULATION

 #14
20240018897
2024-01-18

Ammonia-hydrogen blended fuel control system based on reactivity regulation

 #15
20230417198
2023-12-28

CONSTANT PRESSURE FUEL ENHANCEMENT SYSTEM AND METHOD

 #16
20230349334
2023-11-02

Ammonia fuelled engine

 #17
20230265803
2023-08-24

Combustion engine with a fuel reformer and distiller assembly

 #18
20230062236
2023-03-02

HHO Precision Injection System

 #19
20230060441
2023-03-02

Fuel treatment system and process

 #20
20230052188
2023-02-16

Onboard HHO Gas Generation System for Heavy Duty Trucks

 #21
20230034824
2023-02-02

Methods and systems for engine cold-start

 #22
20220389879
2022-12-08

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #23
20220341361
2022-10-27

Explosion safe electrolysis unit

 #24
20220235729
2022-07-28

Fuel reform apparatus

 #25
20220186672
2022-06-16

Vehicle with fuel densifier

 #26
20220170415
2022-06-02

Engine system

 #27
20220145483
2022-05-12

Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine

 #28
20220056856
2022-02-24

Zero emission propulsion systems and generator sets using ammonia as fuel

 #29
20220034272
2022-02-03

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #30
20210340922
2021-11-04

Internal combustion engine system with temperature based output control

 #31
20210254568
2021-08-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #32
20210231066
2021-07-29

Systems and methods for improving fuel economy of internal combustion engines

 #33
20210199063
2021-07-01

Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine

 #34
20210189953
2021-06-24

INTERNAL COMBUSTION ENGINE

 #35
20210172407
2021-06-10

Separating a fuel on-board a vehicle

 #36
20210164407
2021-06-03

Zero emission propulsion systems and generator sets using ammonia as fuel

 #37
20210152050
2021-05-20

COMPACT GASIFIER-GENSET ARCHITECTURE

 #38
20210131367
2021-05-06

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #39
20210040883
2021-02-11

Percutaneous access pathway system

 #40
20210003084
2021-01-07

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #41
20200224597
2020-07-16

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #42
20200217279
2020-07-09

Internal combustion engine

 #43
20200217277
2020-07-09

System for generating and supplying hydrogen gas to an internal combustion engine

 #44
20200182165
2020-06-11

Supercritical reforming of fuels, without separate water supply, for internal combustion engines

 #45
20200158031
2020-05-21

System and process for improving emission performance in engines

 #46
20200080521
2020-03-12

Propulsion system, and method for operating a propulsion system

 #47
20200056557
2020-02-20

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #48
20200030748
2020-01-30

COMPOSITE MEMBRANES WITH IMPROVED PERFORMANCE AND/OR DURABILITY AND METHODS OF USE

 #49
20190376457
2019-12-12

Adsorbent circulation for onboard octane on-demand and cetane on-demand

 #50
20190368451
2019-12-05

Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand

 #51
20190360411
2019-11-28

Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine

 #52
20190345901
2019-11-14

Fuel injection control method of fuel reformer and fuel reforming system

 #53
20190338716
2019-11-07

Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine

 #54
20190334411
2019-10-31

COMPACT GASIFIER-GENSET ARCHITECTURE

 #55
20190316531
2019-10-17

Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand

 #56
20190301382
2019-10-03

Control device for internal combustion engine and control method for internal combustion engine

 #57
20190301373
2019-10-03

Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand

 #58
20190301372
2019-10-03

Adsorbent circulation for onboard octane on-demand and cetane on-demand

 #59
20190293012
2019-09-26

Control device for internal combustion engine and control method for internal combustion engine

 #60
20190293003
2019-09-26

Control device for internal combustion engine and control method for internal combustion engine

 #61
20190249630
2019-08-15

Onboard fuel separation for octane-on-demand using membrane distillation

 #62
20190249626
2019-08-15

Control device for internal combustion engine and control method for internal combustion engine

 #63
20190249597
2019-08-15

Internal combustion engine

 #64
20190234354
2019-08-01

Control device for internal combustion engine and control method for internal combustion engine

 #65
20190234321
2019-08-01

Adsorption-based fuel systems for onboard cetane on-demand and octane on-demand

 #66
20190234320
2019-08-01

Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand

 #67
20190234297
2019-08-01

Onboard HHO gas generation system for heavy duty trucks

 #68
20190233956
2019-08-01

Rollover safe electrolysis unit for vehicles

 #69
20190233951
2019-08-01

Explosion safe electrolysis unit

 #70
20190226410
2019-07-25

Control device for internal combustion engine and control method for internal combustion engine

 #71
20190162124
2019-05-30

Drive system and method for operating a drive system

 #72
20190153968
2019-05-23

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #73
20190153965
2019-05-23

Control device for internal combustion engine and control method for internal combustion engine

 #74
20190136786
2019-05-09

On-board separation process

 #75
20190048812
2019-02-14

Method for operating an internal combustion piston engine

 #76
20190017448
2019-01-17

System and process for improving emission performance in engines

 #77
20190001273
2019-01-03

PVP- and/or PVL-containing composite membranes and methods of use

 #78
20180363543
2018-12-20

Wellhead gas conditioner methods and uses thereof

 #79
20180320607
2018-11-08

Method and an apparatus for controlling an internal combustion engine with a high pressure gas injection

 #80
20180298813
2018-10-18

Method for operating an internal combustion engine with a gas mixture supplied to the combustion air and produced by water electrolysis, and assembly and electrolysis device for carrying out said method

 #81
20180291847
2018-10-11

Dual fuel refueling

 #82
20180245547
2018-08-30

Separating a fuel on-board a vehicle

 #83
20180245524
2018-08-30

Adjusting a fuel on-board a vehicle

 #84
20180230915
2018-08-16

Method for producing a fuel composition and for operating an internal combustion engine

 #85
20180229186
2018-08-16

Polymeric ionomer separation membranes and methods of use

 #86
20180226859
2018-08-09

COMPACT GASIFIER-GENSET ARCHITECTURE

 #87
20180216579
2018-08-02

Ship propulsion system, and method for operating a ship propulsion system

 #88
20180216543
2018-08-02

Vehicle drive system, and method for operating a vehicle drive system

 #89
20180202375
2018-07-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #90
20180171870
2018-06-21

ELECTROCATALYTIC SYSTEM FOR REDUCING PULLUTION AND FUEL CONSUMPTION

 #91
20180154311
2018-06-07

Composite membranes with improved performance and/or durability and methods of use

 #92
20180135542
2018-05-17

Reforming system and reformer malfunction diagnosis method using pressure sensor

 #93
20180112608
2018-04-26

Management system and method for regulating the on-demand electrolytic production of hydrogen and oxygen gas for injection into a combustion engine

 #94
20180086996
2018-03-29

Hydro-fuel, method of manufacture and method of operating a diesel engine

 #95
20180066613
2018-03-08

Adjusting a fuel on-board a vehicle

 #96
20180010555
2018-01-11

Fuel reforming system for vehicle

 #97
20170341508
2017-11-30

Adjusting a fuel on-board a vehicle

 #98
20170335760
2017-11-23

HYDROGEN GENERATOR AND CONTROL FOR INTERNAL-COMBUSTION VEHICLE

 #99
20170333843
2017-11-23

FUEL REFORMER

 #100
20170282708
2017-10-05

Adjusting a fuel on-board a vehicle

 #101
20170234276
2017-08-17

Adjusting a fuel on-board a vehicle

 #102
20170234244
2017-08-17

Adjusting a fuel on-board a vehicle

 #103
20170204793
2017-07-20

Combustion Engine Air Supply

 #104
20170122275
2017-05-04

Fuel supply device

 #105
20170114756
2017-04-27

CARBON COLLECTION AND UNTHROTTLED ENGINE OPERATION

 #106
20170058791
2017-03-02

Fuel storage apparatus

 #107
20170051685
2017-02-23

Engine systems and methods of operating an engine

 #108
20170045003
2017-02-16

Fuel control systems for operating gasoline engines based on ethanol-water-hydrogen mixture fuels

 #109
20170022919
2017-01-26

System for sensing and controlling fuel gas constituent levels

 #110
20170018996
2017-01-19

Compact gasifier-genset architecture

 #111
20160319735
2016-11-03

CHEMICAL FUEL CONDITIONING AND ACTIVATION

 #112
20160265416
2016-09-15

Fuel reformer system for multiple combustion chambers

 #113
20160010575
2016-01-14

Hydrogen fuel assist device for an internal combustion engine system

 #114
20150369178
2015-12-24

Engine

 #115
20150369117
2015-12-24

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #116
20150353853
2015-12-10

Fuel separation method

 #117
20150322905
2015-11-12

Dual fuel refueling

 #118
20150308312
2015-10-29

Octane separation system and operating method

 #119
20150198118
2015-07-16

Systems and methods for separation of liquid and gaseous fuel for injection

 #120
20150107538
2015-04-23

Alcohol reforming system for internal combustion engine

 #121
20150052877
2015-02-26

Octane separation system and operating method

 #122
20150052876
2015-02-26

Octane separation system and operating method

 #123
20140345248
2014-11-27

Compact gasifier-genset architecture

 #124
20140338638
2014-11-20

Propulsion device and method for operating same using a partially oxidized diesel fuel

 #125
20140224208
2014-08-14

Method for operating at least one precombustion chamber-fired internal combustion engine

 #126
20140216030
2014-08-07

Exhaust system with a reformer catalyst

 #127
20140216029
2014-08-07

Internal combustion engine, in particular a stationary gas engine, comprising a combustion chamber

 #128
20140196702
2014-07-17

Ignition and knock tolerance in internal combustion engine by controlling EGR composition

 #129
20140142363
2014-05-22

Membrane separation process using mixed vapor-liquid feed

 #130
20140109853
2014-04-24

Internal combustion engine-reformer installation

 #131
20140102383
2014-04-17

Internal combustion engine enhancement device and method

 #132
20140041642
2014-02-13

Fuel supply apparatus, computer-readable storage medium, and method of controlling fuel supply apparatus

 #133
20140034021
2014-02-06

Fuel rail assembly including fuel separation membrane

 #134
20140034002
2014-02-06

Ultra-high efficiency alcohol engines using optimized exhaust heat recovery

 #135
20140007842
2014-01-09

Fuel supply apparatus

 #136
20130333637
2013-12-19

Fuel-cracking diesel engine system

 #137
20130284138
2013-10-31

Method for providing and using an alcohol and use of the alcohol for increasing the efficiency and performance of an internal combustion engine

 #138
20130180849
2013-07-18

Cartridge-based, hydrogen on-demand generator

 #139
20130168311
2013-07-04

Replaceable fuel separation unit

 #140
20130104526
2013-05-02

System and method for reducing mono-nitrogen oxide emissions

 #141
20130068186
2013-03-21

Method for operating a pressure ignition engine

 #142
20130042599
2013-02-21

Exhaust device for an internal combustion engine

 #143
20130036990
2013-02-14

Fuel supply system

 #144
20130014731
2013-01-17

On-board fuel vapor separation for multi-fuel vehicle

 #145
20130000568
2013-01-03

FUEL CRACKING FOR INTERNAL COMBUSTION ENGINES

 #146
20120312255
2012-12-13

Operating an engine with reformate

 #147
20120299306
2012-11-29

Cogeneration system

 #148
20120291721
2012-11-22

Selectively storing reformate

 #149
20120291424
2012-11-22

DIAGNOSTIC APPARATUS FOR CATALYST IN FUEL-PROPERTY REFORMING SYSTEM

 #150
20120285429
2012-11-15

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

 #151
20120285400
2012-11-15

FUEL-PROPERTY REFORMING APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #152
20120285162
2012-11-15

Fuel cell-engine hybrid system

 #153
20120259498
2012-10-11

Hybrid vehicle propulsion system utilizing knock suppression

 #154
20120240872
2012-09-27

Ignition control for reformate engine

 #155
20120199100
2012-08-09

Operating system for internal combustion engine

 #156
20120191324
2012-07-26

Method for improving transient engine operation

 #157
20120167840
2012-07-05

Hydrogen generator and internal combustion engine provided with hydrogen generator

 #158
20120152211
2012-06-21

On-board fuel vapor separation for multi-fuel vehicle

 #159
20120145096
2012-06-14

Engine system with reformer

 #160
20120130621
2012-05-24

Reformate control via accelerometer

 #161
20120118727
2012-05-17

Combustion engine air supply

 #162
20120097117
2012-04-26

Reformed ethanol engines

 #163
20120048231
2012-03-01

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

 #164
20120037099
2012-02-16

Method and apparatus for enhancing the utilization of fuel in an internal combustion engine

 #165
20120037098
2012-02-16

Efficient combustion of hydrocarbon fuels in engines

 #166
20120031353
2012-02-09

Method for operating an engine

 #167
20120031352
2012-02-09

Internal combustion engine enhancement device and method

 #168
20120000435
2012-01-05

Engine systems and methods of operating an engine

 #169
20110303194
2011-12-15

SYSTEM AND METHOD OF IMPROVING EFFICIENCY OF COMBUSTION ENGINES

 #170
20110288738
2011-11-24

MULTI-FUEL VEHICLE STRATEGY

 #171
20110283959
2011-11-24

Ammonia burning internal combustion engine

 #172
20110283684
2011-11-24

Control system of internal combustion engine

 #173
20110253072
2011-10-20

Pump control for reformate fuel storage tank

 #174
20110247574
2011-10-13

Reformate control via accelerometer

 #175
20110247573
2011-10-13

OXYGENATE DEHYDRATION SYSTEM FOR COMPRESSION IGNITION ENGINES

 #176
20110220063
2011-09-15

Fuel system for multi-fuel engine

 #177
20110204059
2011-08-25

INTERNAL COMBUSTION ENGINE SYSTEM

 #178
20110179715
2011-07-28

Fuel reforming process for internal combustion engines

 #179
20110168128
2011-07-14

System for Variable Blending Of Ethanol And Exhaust Water For Use As An Anti-Knock Agent

 #180
20110146617
2011-06-23

AUTOMOTIVE FUEL TANK

 #181
20110137537
2011-06-09

Operating an engine with reformate

 #182
20110132326
2011-06-09

Reformate control via accelerometer

 #183
20110132323
2011-06-09

Method for improving transient engine operation

 #184
20110132289
2011-06-09

Selectively storing reformate

 #185
20110132287
2011-06-09

Pump control for reformate fuel storage tank

 #186
20110132286
2011-06-09

Method for operating a charge diluted engine

 #187
20110132285
2011-06-09

Method for operating an engine

 #188
20110132284
2011-06-09

Method for operating an engine with variable charge density

 #189
20110132283
2011-06-09

Ignition control for reformate engine

 #190
20110106403
2011-05-05

Approach for reducing overheating of direct injection fuel injectors

 #191
20110100803
2011-05-05

SYSTEM FOR PRODUCING A SUBSTANTIALLY STOICHIOMETRIC MIX OF HYDROGEN AND OXYGEN USING A PLURALITY OF ELECTROLYTIC CELLS

 #192
20110094458
2011-04-28

SYSTEM TO DYNAMICALLY VARY THE VOLUME OF PRODUCT GAS INTRODUCED INTO A HYDROCARBON COMBUSTION PROCESS

 #193
20110094457
2011-04-28

SYSTEM FOR REGULATING A HYDROCARBON COMBUSTION PROCESS USING A SUBSTANTIALLY STOICHIOMETRIC MIX OF HYDROGEN AND OXYGEN

 #194
20110094456
2011-04-28

SYSTEM FOR INCREASING THE LEVEL OF COMPLETION OF DIESEL ENGINE HYDROCARBON COMBUSTION

 #195
20110073057
2011-03-31

Fuel system for multi-fuel engine

 #196
20110067652
2011-03-24

DIESEL POWERED SEMI-TRAILER TRUCK

 #197
20110036310
2011-02-17

HYDROGEN SUPPLY UNIT FOR INTERNAL COMBUSTION ENGINE AND METHOD OF OPERATING INTERNAL COMBUSTION ENGINE

 #198
20110008694
2011-01-13

HYDROGEN GENERATOR, AMMONIA-BURNING INTERNAL COMBUSTION ENGINE, AND FUEL CELL

 #199
20100326410
2010-12-30

Expanding the operating envelope of advanced combustion enigines

 #200
20100324749
2010-12-23

CONTROL APPARATUS FOR FUEL REFORMER

 #201
20100300382
2010-12-02

Fuel reforming apparatus

 #202
20100288232
2010-11-18

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #203
20100224141
2010-09-09

INTERNAL COMBUSTION ENGINE

 #204
20100218734
2010-09-02

Bio-diesel fuel engine system and bio-diesel fuel engine operating method

 #205
20100212611
2010-08-26

Internal combustion engine

 #206
20100206249
2010-08-19

FUEL MANAGEMENT SYSTEM FOR VERY HIGH EFFICIENCY FLEX FUEL ENGINES

 #207
20100199946
2010-08-12

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #208
20100192879
2010-08-05

Methods and systems for starting a vehicle engine

 #209
20100180839
2010-07-22

System and method for the co-generation of fuel having a closed-loop energy cycle

 #210
20100175941
2010-07-15

METHOD AND SYSTEM FOR PRODUCTION OF HYDROGEN

 #211
20100174470
2010-07-08

Fuel management system for very high efficiency flex fuel engines powered by methanol and gasoline

 #212
20100161203
2010-06-24

Controller for internal combustion engine

 #213
20100155322
2010-06-24

Vehicle mounted fuel separation apparatus

 #214
20100155315
2010-06-24

Vehicle-mounted fuel separation system

 #215
20100121559
2010-05-13

Water Based Systems for Direct Injection Knock Prevention in Spark Ignition Engines

 #216
20100116245
2010-05-13

Hybrid vehicle propulsion system utilizing knock suppression

 #217
20100077650
2010-04-01

Apparatus and process for production of nanobubble liquid

 #218
20100064989
2010-03-18

System and method for use with a combustion engine

 #219
20100043730
2010-02-25

HYDROGEN GENERATING SYSTEM FOR OPERATION WITH ENGINE TURBO CONDITION

 #220
20100024789
2010-02-04

Fuel system for multi-fuel engine

 #221
20100024772
2010-02-04

Fuel system for multi-fuel engine

 #222
20100018478
2010-01-28

Combustion method, system, and article

 #223
20100006050
2010-01-14

Optimized Fuel Management System for Direct Injection Ethanol Enhancement of Gasoline Engines

 #224
20090320807
2009-12-31

System and Method for Hydrogen-Assisted Cold Starting of An Engine

 #225
20090320789
2009-12-31

Multi fuel co-injection system for internal combustion and turbine engines

 #226
20090301407
2009-12-10

Electrolyte Delivery System

 #227
20090292443
2009-11-26

Approach for reducing overheating of direct injection fuel injectors

 #228
20090217641
2009-09-03

Combustion System Comprising an Electrolyser

 #229
20090178654
2009-07-16

Ethanol separation using air from turbo compressor

 #230
20090165759
2009-07-02

Fuel management for vehicles equipped with multiple tanks for different grades of fuel

 #231
20090159057
2009-06-25

Fuel rail assembly including fuel separation membrane

 #232
20090157277
2009-06-18

On-board fuel vapor separation for multi-fuel vehicle

 #233
20090139469
2009-06-04

Electrolyte delivery system and method

 #234
20090050383
2009-02-26

Vehicle propulsion system with selectable energy sources and method of use

 #235
20090043479
2009-02-12

Internal combustion engine

 #236
20090038586
2009-02-12

Hybrid vehicle propulsion system utilizing knock suppression

 #237
20090038585
2009-02-12

Hybrid vehicle propulsion system utilizing knock suppression

 #238
20090037077
2009-02-05

Combustion control of internal combustion engine

 #239
20090031968
2009-02-05

Process for operating a compression ignition internal combustion engine in combination with a catalytic reformer

 #240
20090012698
2009-01-08

Gas-fueled internal combustion engine and control method for gas-fueled internal combustion engine

 #241
20080307787
2008-12-18

Power Generation System Using Fuel Cell

 #242
20080288158
2008-11-20

Control for knock suppression fluid separator in a motor vehicle

 #243
20080257304
2008-10-23

INTERNAL COMBUSTION ENGINE AND COMBUSTION METHOD OF THE SAME

 #244
20080257301
2008-10-23

Power plant and fuel supply method therefor

 #245
20080257284
2008-10-23

System and method for the co-generation of fuel having a closed-loop energy cycle

 #246
20080245318
2008-10-09

Hydrogen-fueled internal combustion engine

 #247
20080236546
2008-10-02

Combustion control system for internal combustion engine

 #248
20080223344
2008-09-18

Internal combustion engine using hydrogen

 #249
20080202449
2008-08-28

Engine System

 #250
20080190100
2008-08-14

Reforming of GTL for marine applications

 #251
20080168966
2008-07-17

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #252
20080141984
2008-06-19

Fuel supply system

 #253
20080120008
2008-05-22

Flex-fuel variable displacement engine control system and method

 #254
20080115759
2008-05-22

Flex-fuel variable displacement engine control system and method

 #255
20080115744
2008-05-22

HYDROGEN FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

 #256
20080110421
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