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

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

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

With less regulatory pressure, engines don’t have to get cleaner or more efficient, yet GM CEO Mary Barra insists the company will keep pushing them in that direction anyway. She maintains that GM ...

Prices of spare Pratt & Whitney GTF engines have been soaring Spike caused by supplychain snags and long repair waiting times Over a dozen almost-new Airbus jets scrapped for their engines IATA ...

How does a 106-year-old company built on diesel engines evolve to thrive in a decarbonized future? Jennifer Rumsey, SM ’98, the chair and CEO at Cummins, is leading the way to answer that question by ...

How do diesel engines work, and how are diesels different from gasoline engines? Why are diesel engines typically more efficient than gasoline engines? Why do diesel engines continue to move towards ...

Mazda’s SKYACTIV-Z tech could change the way automakers and drivers look at gas-powered engines amid today’s significant EV investment push. Expert engineer Masahisa Yamakawa at Mazda said that heat ...

Prof. SUN Qingping (left) and Research Assistant Prof. LI Qiao (right), both from the Department of Mechanical and Aerospace Engineering at HKUST, demonstrate their newly developed Ti₇₈Nb₂₂ elastic ...

Based on the the heat pump-organic rankine cycle, scientists in Portugal have created six different models of Carnot batteries for stationary storage. They investigated 16 different combinations of ...

“Our analysis shows that aircraft engine MRO demand is likely to experience a near-term peak in 2026 and remain constrained through the end of the decade.” — Jim Harris, Co-Leader of Bain’s global ...