VW ID Roomzz, Toyota hybrid patents, more grid storage from hydro: Today's Car NewsVW ID Roomzz, Toyota hybrid patents, more grid storage from hydro: Today's Car News
Toyota plans to open its hybrid patents through 2030. Volkswagen introduces the ID Roomzz for the Shanghai auto show. Pumped hydro could deliver more energy storage than batteries. And readers weigh in on what new niche...