Until someone invents a flux capacitor or discovers dilithium crystals somewhere in our solar system, the transition away from fossil fuels will involve lithium-ion batteries and hydrogen fuel cells. These two energy sources are often positioned as competing technologies, but they will probably prove to be more complementary.

Each has strengths and weaknesses that make it somewhat better suited to certain applications than others.

This isn’t a replay of the VHS-Beta debate. It more like the Apple-Windows debate. Many interested parties, including Cummins and Volvo Trucks, seem to think there’s room for both hydrogen and batteries in heavy trucks.

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