GM Charges Ahead with Hydrogen

General Motors hasn't let its bankruptcy get in the way of its hydrogen fuel cell efforts, and made it clear during a recent event that it still considers hydrogen power one of several key propulsion technologies that it will continue to develop in the future.

"We are not abandoning our fuel cell technologies," proclaimed Charles Freese, executive director of GM's Global Fuel Cell Activities, during a presentation at the automaker's Burbank, California, fuel cell hub facility, "If we didn't intend to maintain it, we would have left it with the old GM."

If you've been following GM's fuel cell efforts at all, then you've no doubt heard of Project Driveway, a real-world test that began in late 2007 where the automaker outfitted a fleet of 119 Chevrolet Equinox vehicles with a hydrogen fuel cell stack providing the juice for its electric propulsion. Drivers have logged more than 1.3 million miles in all around the world during the test, and even got in a few accidents (no, nothing blew up).

While the project itself is winding down, Freese and Co. say the vehicles will still be used to test new electric motor and fuel cell components as well as to aid in further developing a hydrogen fueling infrastructure.

The centerpiece of GM's future hydrogen-powered efforts revolves around its Gen 2 hydrogen fuel cell stack, which is being designed to fit in a four-cylinder engine bay. It's reportedly some 220 pounds lighter than the stack powering the Equinox fleet, and uses about a third of the platinum (a metal critical to the overall process) than the present stack. Gen2 will employ fewer and lighter components and with its smaller overall size, GM hopes it will be able to spread the stack around to more vehicles in the future. In addition to the Gen 2 stack, GM is also continuing to develop its hydrogen storage solutions. The present fuel cell Equinoxes employ three hydrogen storage tanks. The automaker is moving to switch that out with a smaller, two-tank setup.

How long will this all take to bring to market? When it comes to hydrogen-powered vehicles especially, that's always the million-dollar question. GM says it is focusing on producing a "production intent" program by 2015 -- with "intent" being the proverbial hedging its bet word. But GM firmly believes that while by no means a silver bullet solution, hydrogen-powered vehicles will have a place in the Pantheon of future powertrains, and promised at the event that we'll see something "sooner than you think."

Of course, there are numerous other challenges to face on the way to the hydrogen highway, and Freese made the point that "consistent policy is important for creating infrastructure," a nod to the government's schizophrenic approach thus far to hydrogen-powered vehicles. There are lessons to be learned from Germany and Japan, Freese said, both of whom have made significant strides in creating a workable, scalable plan for creating nationwide hydrogen fueling station networks and as well as further developing solutions for extracting hydrogen using renewable energy (i.e. wind power, etc.).

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Smoke and mirrorsHow many times has GM promised a fuel efficient car or SUV and just never delivered.1. Ethanol based engines have been a wash.2. Fuel cell is not here3. Hydrogen has worked in fleets but nothing else4. Chevy Volt will fail because who will pay 40000 for a car when one can buy two Accords or Camrys or buy one and then 15000 dollars in gasolineFord is doing a good job addressing efficiencyBring DIESELS

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