Four spark plugs, eight pistons, one stroke: How the INNengine E-REX promises to be different

The INNengine e-Rex is tiny and can change compression ratios in the blink of an eye. But that's just the start of what makes ...

Without a Spark: Only Diesels Will Do at West Virginia’s Radio-Silent Green Bank Observatory

Because of their innate sensitivity, these devices must be shielded from radio frequency interference (RFI). Green Bank is ...
The Autopian

Four Decades Ago, One Man Tried To Make Trucking 139 Percent More Efficient By Turning The Truck Into An Arrow

Bob Sliwa was tired of the awful 4.4 mpg that his semi truck got, so he spent three years improving semi tractor fuel economy ...