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 ...

Diesel technology, once the soot-producing demon of the American mind, is getting cleaner, and Bosch is leading the way with advances in fuel delivery and exhaust treatment. Bosch continues to make ...

A well-running and adequately maintained diesel engine should produce no visible smoke from the tailpipe. Modern diesel engines equipped with common-rail direct-injection technology have unlocked more ...

The diesel engine has undergone a significant evolution over the past two decades. Most of these changes were designed to reduce emissions and air pollution, but once early generation emission goals ...

EPA required a 97-percent reduction in the sulfur content of highway diesel fuel from its pre-2007 maximum of 500 parts per million (low sulfur diesel, or LSD) to 15 parts per million (ultra low ...

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

WASHINGTON - Soot mostly from diesel engines is blocking snow and ice from reflecting sunlight, which is contributing to ”near worldwide melting of ice” and as much as a quarter of all observed global ...

It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...

Investments in clean-burning combustion engines are picking up, as VCs bet that batteries and exotic fuels like hydrogen won’t be the end of the story for powering automobiles. The latest is Achates ...

With new emissions regulations around the corner, clean diesel has become a catch phrase within the industry. However, according to J.D. Power and Associates, the buzz has yet to make an impact on the ...