As U.N. climate conference delegates considered how to save the planet over the weekend in Glasgow, Toyota Motor’s chief executive was in Japan racing an experimental hydrogen car – a vehicle he says could preserve millions of auto jobs.

“The enemy is carbon, not internal combustion engines. We shouldn’t just focus on one technology but make use of the technologies we already possess,” Toyoda said at the track. “Carbon neutrality is not about one having a single choice, but about keeping options open.”

Although Toyota and other car makers are putting resources into building hydrogen fuel cell vehicles (FCV), none have shown the appetite Toyota has for hydrogen engine technology.

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