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HHO generation/injection redux: It's not a fuel cell, fails in testing!

Last week we ignited some healthy discussion in the comments with my post on the (de)merits of on-board hydrogen generators and injectors. While few could argue with my basic thermodynamic analysis of the process, defenders repeated the claim from producers of these systems that something magical happens when you add hydrogen to the air fuel mixture of an engine. We've looked into this a little further in recent days including with a powertrain engineer that actually understands combustion processes. In the comments on the previous article a ... Read more →

Why on-board hydrogen generators won't boost your mileage

Historically whenever gas prices have gone up, charlatans have come out of the woodwork offering drivers all manner of devices that are claimed to provide dramatic reductions in fuel consumption. From ...

HHO generation/injection redux: It's not a fuel cell, fails in testing! 1 year ago on Autoblog Green

Last week we ignited some healthy discussion in the comments with my post on the (de)merits of on-board hydrogen generators and injectors. While few could argue with my basic thermodynamic analysis of the process, defenders repeated the claim from producers of these systems that something magical ...

Why on-board hydrogen generators won't boost your mileage 1 year ago on Autoblog Green

Historically whenever gas prices have gone up, charlatans have come out of the woodwork offering drivers all manner of devices that are claimed to provide dramatic reductions in fuel consumption. From magnets that are clamped to fuel lines, to assorted vacuum advance devices, and intake vortex ...



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