It's not hard to find very small mass-produced gasoline engines, but diesel is another story. Diesel engines are more expensive to manufacture, so a small-capacity diesel in a cheap car can push up ...

DEARBORN, Mich. - Ford Motor Co. plans to introduce its smallest engine by 2013, part of the race to improve fuel economy across the industry. Ford said Thursday it's working on a one-liter, ...

The second-generation Nissan Micra is an all-time classic, dreary economy car. You'd never be caught dead behind the wheel for fear of being called a peasant, but back during the days of peal "Nissan" ...