Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

Purdue University's Greg Shaver doesn't believe there should be a trade-off between protecting the air we breathe and achieving better engine efficiency of large vehicles on the road. Shaver, a ...

Some engines do more than power vehicles, they redraw the boundaries of what performance is supposed to look like. From race ...

Diesel engines have carried the bulk of North America’s freight my entire life. Estimates in 2020 were that diesel trucks carried more than 65% of freight by weight and exceeded 72% by value according ...

In America, the average mpg of a semi truck sits firmly in single-digit territory. Efficiency improvements mean that today's trucks now average around seven mpg, but some states still see trucks ...

Diesel engines, although robust and efficient, release harmful atmospheric pollutants such as nitrogen oxides and fine particles, posing challenges for health and the environment. A simple approach is ...

Dive into the technology behind Toyota's highly efficient Dynamic Force engines and see how they compare to rivals like Honda ...

LEEDS, Alabama—Just how efficient can a fully loaded Class 8 tractor-trailer be? Shell sought to answer that question when designing its Starship 3.0, a Class 8 concept equipped with readily available ...