Compressed air isn’t really a practical form of energy storage for headline uses like transport or heating, but it’s a fun thing to tinker with at the small scale. [Tom Stanton] is plenty experienced ...

Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion ...

Cooled-EGR (Exhaust Gas Recirculation) systems have been used since October 2002 by five major engine manufacturers (Cummins, Detroit Diesel, International, Mack and Volvo) to reduce emissions of smog ...

This story originally appeared on Inside Climate News and is part of the Climate Desk collaboration. The need for long-duration energy storage, which helps to fill the longest gaps when wind and solar ...