Internal combustion engines are most efficient at a specific RPM, and instead of giving the engine more gas to speed ... Adding variable pitch props to something pulled around by an electric ...

Cummins Inc. (NYSE: CMI) and Liberty Energy Inc. (NYSE: LBRT) (“Liberty”) today announced that the industry’s first natural ...

The adjustment speed of up to 300° of crank angle (CA) per second enhances the dynamics of the cylinder-fill control. The cylinder deactivation, another subassembly from the EA211 engine assembly ...

Despite appearances, modern four-cylinder cars can reach higher speeds than you might think. Here are six of the most ...

3.5-liter V-6 and eight-speed automatic (ES 350); 215-system-hp, 2.5-liter Atkinson-cycle four-cylinder and electric motor with continuously variable automatic (ES 300h) Hits dealerships ...