California-headquartered electric-powered trailer manufacturer Range Energy has introduced its RB-01 next-generation trailer system.  The new system includes an e-axle, a 200 or 300 kWh battery pack and a smart kingpin. According to Range, the RB-01 offers a 47% to 67% miles-per-gallon improvement over the previous generation in the series, and the tractor towing the RB-01… Read more…