It’s happening. More diesel cars are coming to the U.S. market—and the timing couldn’t be better. According to a recent National Association for Convenience and Fuel Retailing (NACS) study, 31 percent ...

Clean and lubricate your vehicle's fuel system with our top picks for the best diesel injector cleaners. Like any fuel-injected engine, diesel engines rely on fuel injectors to, well, inject fuel into ...

Your gasaholic friends may not believe you, but feel free to tell them that diesels will soon be cleaner than current gasoline engines. It's not a trick-they'll have to be that clean if manufacturers ...

Diesel engine exhaust contains pollutants such as nitrogen oxides and soot particles. Although governments from the late 1990s onward encouraged their uptake in the belief they were more ...

Hybrid cars have been getting a lot of publicity lately. Now some manufacturers are offering another option: "clean diesel" cars. Some can get 40 or even 50 miles to the gallon; they aren't the noisy, ...