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 ...

Volkswagen promises significantly cleaner diesel engines by using regenerative diesel fuels. The CO2 emissions can be reduced by a whopping 95%. No word on the NOx emissions, though. The company ...

ROCHESTER, N.Y. – As businesses, school districts, cities and power companies all signal they’re not ready for the state’s forced transition to zero emission trucks and buses, one local company says ...

Sophisticated electronic controls and fuel systems improve combustion efficiency and substantially cut emissions. Sophisticated electronic controls and fuel systems improve combustion efficiency and ...

Kasmer s hydristor is drawing interest from heavy equipment makers. Tom Kasmer believes he can save the Earth with the power of hydraulics. The Binghamton, N.Y.-based inventor wants to use his ...

With record-level fuel prices and EPA Tier-3 diesel-engine exhaust emission standards taking effect, off-road equipment buyers are putting unprecedented emphasis on the powerplants in their new ...

Thermo King's Tier IV truck unit engines, found in all new Thermo King truck units, have been shown to be significantly cleaner-burning. During recent Thermo King's Tier IV truck unit engines, found ...

California would require that NOx emissions from medium- and heavy-duty trucks be cut by about 90 percent relative to today’s cleanest diesel. India and China mostly do not use diesel cleanup systems, ...