Of the population, 15.7% live in a semi-arid/ steppe climate (BS), 9.1% live in a arid/ desert climate (BW), 6.2% live in a temperate/ mesothermal climate with significant precipitation in all seasons (Cf), 53.2% live in a temperate/ mesothermal climate with dry summers (Cs), 0% live in a polar climate (E), 15.8% live in a alpine/ highland climate ( ...
Gasoline is also an extremely flammable fuel, and one that does not escape like hydrogen.. The hydrogen fuel cell tanks in the Toyota Mirai are pressurized up to 10,000 psi, and hydrogen is 16 times lighter than air.
U.S. law prevented the Hindenburg from using helium instead of hydrogen, which is more flammable. After the crash of the hydrogen-filled R101, in which most of the crew died in the subsequent fire rather than the impact itself, Hindenburg designer Hugo Eckener sought to use helium, a less flammable lifting gas.