WEngine
W3,000 mile myth
WAir-cooled engine
WAjax Engines
WBase 50
WBendix drive
WBivalent (engine)
WCarnot heat engine
WColloid thruster
WCVCC
WDesaxe
WEngine-generator
WExhaust gas
WExternal combustion engine
WFree-piston engine
WGas engine
WGas turbine
WGunderson Do-All Machine
WHeadless engine
WHeat engine
WHot air engine
WHybrid vehicle
WIdle (engine)
WIntake
WInternal combustion engine
WLeyland L60
WList of WWII Maybach engines
WMAP sensor
WMinto wheel
WMitsubishi MCA
WMultifuel
WNissan NAPS
WNutating disc engine
WPneumatic motor
WSRM Engine Suite
WStationary engine
WToyota TTC
WTurbine blade
WVacuum engine