Estonia's Defense Forces (EDF) are one of several countries testing the potential usefulness of portable hydrogen fuel cell generators on the battlefield. Safer and less noisy than their diesel ...

Generator manufacturer Kohler has adopted Hydrotreated Vegetable Oil (HVO) at its generator test site in France. Kohler Power Systems, part of Kohler Co., has announced that its manufacturing plant in ...

It's been quite some time since we first covered the exploits of a company called LiquidPiston, and given what we've learned since then, we were quite anxious to find out what these guys are up to ...