The cars of the 1939 New York World’s Fair

In July 1937, the Great Depression had eased to the point where the U.S. unemployment rate had dropped below 11%, but the ...

F1’s new engines are causing consternation over compression ratios

The compression ratio clarification wasn’t the only one issued by the FIA. For some time now, F1 has used ultrasonic fuel ...

Explaining The FIA Engine Rule Update That Shuts Down A Potentially Massive Loophole

The 2026 season will see huge changes to what Formula One cars look like, how they operate, and ultimately, how races might ...

4 Reasons Your Car's Heater Will Only Blow Cold Air (And What To Do About It)

Some of the most likely causes of a car heater blowing cold air include low coolant, contaminated coolant, a faulty heater ...

Inside the 13B-MSP Renesis, Predecessor of the Latest New Mazda Rotary Engine

Discover how Mazda’s 13B-MSP Renesis evolved, its tech breakthroughs, and the issues that defined it, plus how it connects to ...
Interesting Engineering

US-UK team to build Mach-3 hybrid-electric engine for ‘next-gen’ supersonic travel

A UK company specializing in electric powertrains has recently teamed up with a supersonic aerospace startup from the US to make a new hybrid-electric engine designed to enable affordable, long-range ...