A new track, at last! And the next installment in the skyworld series. Mainspring, point of origin. This is a crazy hybrid ...

Mainspring Energy said it signed a memorandum of understanding with American Electric Power to pilot its linear generator technology in Oklahoma. The pilot project is expected to help AEP ...

Read here for an analysis of Hyliion's Karno generator in the growing electricity market, competition, management issues, and path to profitability.