Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

Khris is a Mechanical Engineer and a classic car aficionado, who adores his Jags, Alfas, and old-school American muscle cars. He keeps tabs on everything from super exotics like an old EB 110 to the ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. Quick background: muscle oxygen ...