Related by context. Frequent words. (Click for all words.) 56 propane autogas 55 hybrid powertrains 53 AuraGen 52 vehicles HEVs 52 armored infantry 51 tactical wheeled 51 Stryker brigades 51 drivelines 50 efficient powertrains 50 HIMARS 50 hybrid electric 49 vehicles 49 compressed hydrogen 48 AGVs 48 cleanest diesel 48 hydrogen internal combustion 48 battery chemistries 48 reciprocating engines 48 B# biodiesel [002] 48 electric drivetrain 48 High Mobility Multipurpose 48 HMMWV 48 BlueTec 48 NGVs 47 refuelers 47 turbo chargers 47 Compressed Natural Gas 47 highly maneuverable 47 Dodge Sprinter 47 electric powertrains 47 alternative fuels 47 SUGV 47 turbofan engine 46 sportbikes 46 electric propulsion 46 diesel particulate filters 46 eStar 46 MLRS 46 H2GO TM 46 hybrid propulsion 46 Selective Catalytic Reduction SCR 46 Ultracapacitors 46 armored vehicles 46 P 8A Poseidon 46 gaseous fuels 46 super capacitors 46 armouring 46 fleets 46 conventional internal combustion 46 iRobot PackBot 46 powertrains 45 scramjet engine 45 #mm howitzer 45 metal hydride 45 V6 diesel 45 electric powertrain 45 diesel powered 45 VTOL 45 Light Tactical Vehicle 45 XM# [001] 45 hybrid drivetrain 45 diesel engines 45 PEM fuel 45 MXT 45 drivetrain components 45 M#s [001] 45 Hythane 45 hovercrafts 45 UH 1Y 44 IFV 44 MRAP vehicles 44 propulsion systems 44 Unmanned Aerial Vehicles 44 CFM# engines 44 turbo diesel 44 SOFCs 44 electronic jammers 44 REDIview 44 TARDEC 44 Marine expeditionary 44 M#A# Abrams tanks 44 drivetrains 44 UCAV 44 BEVs 44 diesel engined 44 diesel 44 Lithium Ion batteries 44 Coal gasification 44 lithium polymer batteries 44 diesel engine 44 Humvees 44 compressed natural 44 CH #F 44 infantry brigades 44 KC #J 44 Kenworth trucks 44 multirole 44 HEVs 44 M#A# [005] 44 hydrogen powered 43 particulate filters