Battery Cars a Better Choice for Reducing Emissions than Fuel Cells

Many communities would be better off investing in electric vehicles that run on batteries instead of hydrogen fuel cells, in part because the hydrogen infrastructure provides few additional energy benefits for the community besides clean transportation, say experts.

That's according to a study in the November issue of the journal Energy by scientists at Stanford University and the Technical University of Munich (TUM).  They compared cars that run on batteries versus hydrogen fuel cells in a hypothetical future where the cost of electric vehicles is more affordable.

"We looked at how large-scale adoption of electric vehicles would affect total energy use in a community, for buildings as well as transportation," said lead author Markus Felgenhauer, a doctoral candidate at TUM and former visiting scholar at the Stanford Global Climate and Energy Project (GCEP).  "We found that investing in all-electric battery vehicles is a more economical choice for reducing carbon dioxide emissions, primarily due to their lower cost and significantly higher energy efficiency."

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