Geely now holds a Guinness World Record for thermal efficiency, with its new i-HEV system rated at 48.4%, according to a ...

Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...

For 42 years, the XK was Jaguar’s secret weapon. It proved its worth on the racetrack and powered generations of cars. The ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Your old, reliable engine has been coughing up some strange, but concerning noises. So, you call your mechanic to find out what the problem and solution are to restoring its harmonious hum. But the ...

The engine can also run on synthetic methane, notes Brooke, making it adaptable to potential future fuels. Synthetic methane can be created as a sustainable fuel with CO2 and hydrogen in a process ...

Godzilla is the Ford swap engine of choice right now. Here are 20 upgrade options that make the 7.3-liter beasts even better. Engine-swapping is taking a powerplant and installing it into a vehicle ...

Kicking things off is an engine recall that involves 2,689 turbocharged 2.0-liter four-cylinders that were designed for use ...

FLINT, MI — More than 70 years after General Motors workers built the first Corvette in Flint, the city is about to start ...

Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of ...