The fuel cell has been one of the vital steps in the development of safer race cars. While a normal fuel tank is just a metal box full of gas, a cell consists of an impact-resistant rubberized bladder ...

Editor's note: This story has been amended from an earlier version. Toyota will be offering its fuel cell kit for new factory spec'd trucks only. Toyota announced Monday that the California Air ...

Toyota has certified a fuel-cell powertrain kit for big Class 8 trucks. The kits can be used by companies like Kenworth to power 18-wheelers. No pricing, power, or torque specs were released.