The metropolis of Carmel, Ind., has trucks for plowing snow, salting streets, and carrying landscaping tools. But 1 cherry-red pickup can do a little something no other auto can: create its own hydrogen.

A forty five-kilogram steel box sits in the bed of the perform truck. When a driver starts the motor, the system routinely commences concocting the colorless, odorless gas, which feeds into the engine’s ingestion manifold. This stops the truck from guzzling gasoline till the hydrogen offer runs out. The pickup has no gas-mobile module, a typical element in most hydrogen automobiles. No substantial-pressure storage tanks or refueling pumps are necessary, either.