Modern engines deliver more power from less metal, sip less fuel, and meet emissions rules that would have seemed impossible a generation ago. Yet owners are discovering that this new efficiency often ...

Westport is debuting its high-pressure CNG fuel system with Cespira HPDI technology on a Volvo VNL 300 at ACT Expo. Another high-horsepower natural-gas engine system may soon be available from ...

After graduating with an MBA, Jared pursued his love of cars by becoming an automotive journalist. An internship with CarBuzz grew into his current position as Editor At Large. Jared now flies around ...

What if the engine of the future wasn’t just a dream, but a reality? Imagine a power source that combines the raw, exhilarating performance of a two-stroke engine with innovative efficiency, ...

With the 2010 Tundra Toyota Trucks introduce a new small V8 engine plus a new six-speed transmission in place of the previous five-speed unit. The new 4.6-liter V8 engine of the 2010 Toyota Tundra ...

China is going gaga over vehicles it calls EREVs (for Extended Range EVs) that combine the best of the electric vehicle and ICE powertrains with breathtaking total range numbers. This trend has ...

As gas prices continue to rise, experts are providing tips to improve fuel efficiency including staying on top of engine maintenance and driving the speed limit.

While turbochargers rely on exhaust gases, superchargers are driven by belts and the engine's crankshaft. Thus, it can definitely impact fuel efficiency.