For two centuries, students have learned that heat flows and engines work according to rigid limits that no machine can beat.

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they ...

Almost exactly 200 years ago, French physicist Sadi Carnot determined the maximum efficiency of heat engines. The Carnot ...

AMES, Iowa – The compression-ignition, internal-combustion engine goes all the way back to the 1890s and the work of one Rudolf Diesel. All these decades later, engineers have developed advanced ...