The “Explained Engineering” YouTube channel released a comparison of actual technology’s hydrogen, combustion and fuel-cell engines. In summary: Yamaha has collaborated with Toyota to develop a hydrogen-powered V8 engine. The Lexus RCF has a 65.87 [lit] (17.4 [gallon]) fuel tank and a combined rating of 8.07 [km] / [lit] (19 [miles] / [gallon]), giving it…