Low emission compound combustion engine
Low emission dual fuel engine and method of operating same
Low emission internal combustion engine
Low emission power plant and method of making same
Low noise level internal combustion engine
Low noise package storing type engine working machine
Low pollution natural gas vehicle
Low profile outboard with in-line engine
Low profile outboard with in-line engine
Low-restriction turbine outlet housing
Low-temperature, near-adiabatic engine
Lubricant metering system for rotary internal combustion engine
Lubricating system for an engine balancing device
Lubricating system for rotary internal combustion engine
Lubrication system for rotary piston mechanisms