Or using diesel electric hybrids. That's how train engines work. They're still w...

djsumdog on July 12, 2016 | parent | context | favorite | on: New Electric Motor That’s Super Light and Powerful...

Or using diesel electric hybrids. That's how train engines work. They're still way more efficient that using combustibles directly because you can run at lower RPMs and buffer the energy (trains run at like 1k ~ 2k RPM).