| engine cart(noun, expression, technology, entity, form) |
| engine position(noun, expression, technology, entity, form) |
| engine technology(noun, expression, technology, entity, form) |
| exhaust gas(noun, expression, technology, entity, form) |
| exoskeletal engine(noun, expression, technology, entity, form) |
| free-piston linear generator(noun, expression, technology, entity, form) |
| homogeneous charge compression ignition(noun, expression, technology, entity, form) |
| hot air engine(noun, expression, technology, entity, form) |
| hybrid vehicle(noun, expression, technology, entity, form) |
| hybrid vehicle drivetrain(noun, expression, technology, entity, form) |
| manifold absolute pressure sensor(noun, expression, technology, entity, form) |
| nitro engine(noun, expression, technology, entity, form) |
| nutating disc engine(noun, expression, technology, entity, form) |
| oil sludge(noun, expression, technology, entity, form) |
| parasitic load(noun, expression, technology, entity, form) |
| piston ported engine(noun, expression, technology, entity, form) |
| pistonless rotary engine(noun, expression, technology, entity, form) |
| proposed engine(noun, expression, technology, entity, form) |
| reciprocating chemical muscle(noun, expression, technology, entity, form) |
| siamesed cylinder(noun, expression, technology, entity, form) |