Estimates from the U.S. Department of Energy say they can improve fuel economy by about 7.5 percent. (Many manufacturers ...

Top 10 turbo four-cylinder sports cars from premium brands like Porsche & Volvo; power, efficiency, and luxury—starting at ...

The Hero Maverick 440 is powered by a 440cc, air-oil cooled, single-cylinder engine that generates 27bhp of power and 36Nm of ...