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SAE World Congress: Honda FCEV fuel cell stack has cells just 1 mm thin

The only update we have for people who are paying ultra-close attention to the progress of the hydrogen-powered Honda FCEV concept is that we now know how thin the individual cells in the car's fuel cell stack are. Speaking at the 2015 SAE World Congress in Detroit this week, American Honda Motor Company Manager of fuel cell vehicle marketing, Steve Ellis, told AutoblogGreen that the fuel cell stack is now 33-percent smaller and offers a 60-percent improvement in power density. We knew this already. What we didn't know is how Honda got there. Ellis said that these improvements are due in part to a reduction in the size of the fuel cell thickness. Each cell in the stack is one millimeter thick, he said. For everyone who isn't counting the millimeters of this car, here's the broader situation. Honda and the state of California (and others) are working hard on getting H2 infrastructure up can running. "The stations are accelerating as we speak," Ellis said. Three new stations have opened in the last few months and the state has pledged $20 million per year until there are 100 stations in California. Honda has also invested in FirstElement to install stations. The production FCEV will feature a range of over 300 miles and have a three-to-five minute refueling time. The car will launch in Japan in March 2016, with US and European sales starting at some unspecified time after that.

Honda asked for Takata inflator change without telling Feds

Honda and Takata could be in legal hot water after the automaker requested a design change to the supplier's airbag inflators in 2009 without notifying the government. According to internal documents obtained by Reuters, the updated parts had extra vents to reduce the force directed occupants if a rupture occurs. Automakers generally need to tell the National Highway Traffic Safety Administration about any safety-related changes to their vehicles, but Honda argues to Reuters that the disclosure wasn't necessary in this case. The company wanted the changes to the parts to "protect against the possibility of future manufacturing errors – it was not an acknowledgement of a larger design flaw in the inflators," Honda spokesperson Chris Martin told Reuters. The revised components started going into some Honda models in 2011. However, a jury might not agree with Honda's position, and a lawyer could argue the company had a responsibility to report the alterations. There's already a pending class action lawsuit against automakers and Takata for violations of the Racketeer Influenced and Corrupt Organizations (RICO) Act, and there are many more from individuals. Among those is the case of a pregnant woman in Malaysia who died from a rupturing airbag. An investigation by the Independent Testing Coalition found three factors for the inflators'' rupturing. The use of ammonium nitrate is part of the problem, but the inflator's assembly doesn't keep moisture from reaching the chemical. If a vehicle is in a high humidity area, the danger is even worse. When they combine, these issues make the explosions more likely. Takata allegedly knew about the problem as far back as 2000 but hid the failures. Emails even reportedly showed workers joking about changing the data. Related Video:

Honda, GM fuel-cell partnership wants to reduce hydrogen refueling costs

To paraphrase the old political adage, it's the cost, stupid. Dollar signs are what's prompting Honda and General Motors to partner up to accelerate development of a hydrogen fuel cell system. With about half the cost of a fuel-cell system tied up in its fuel-cell stack, GM and Honda are looking to help each other drive costs down, according to a presentation by GM fuel cell research and development director Mark Mathias said in a presentation at the SAE 2014 Hybrid & Electric Vehicle Technologies Symposium. According to Green Car Congress, Honda and GM are looking to reap the fruits of their collective labor by 2020. As with other automakers, the high cost of producing fuel-cell vehicles is the fly in the ointment of a powertrain technology that combines the same range as gas-powered vehicles but with zero emissions. In the meantime, Honda, which makes the very limited production FCX Clarity fuel-cell vehicle, is slated to start selling its own mass-market fuel-cell vehicle in 2015. The two automakers made their partnership announcement last summer and said they contribute to expanding hydrogen fuel infrastructure in California during the next few years. Earlier, Ford, Mercedes-Benz parent Daimler and Nissan also said they would work together to speed up fuel-cell technology development.