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McLaren working on P15 supercar to slot between 650S and P1

McLaren has been busy these past few years. It launched the MP4-12C in 2011, the 12C Spider in 2012, the P1 in 2013 and (most recently) the 650S in 2014. But it's not about to stop there. It's got an "entry-level" model in the works, set to take on the Porsche 911, and - according to information reported by Car and Driver and confirmed by McLaren in correspondence with Autoblog - a new flagship model, too.
The project is internally codenamed P15, and it calls for a new flagship that will cap the company's lineup once the P1 finishes its limited production run, but carry a price tag in the neighborhood of $500k to slot in between the P1 and the new 650S.
Just how, you wonder, can McLaren possibly develop another supercar each year? Simple: underneath, they're all essentially the same. (Only we're sure it's anything but simple.) That is to say they're all based on the same carbon monocoque structure and powered by the same 3.8-liter twin-turbo V8 mated to a seven-speed dual-clutch transmission driving the rear wheels. What differentiates them is what the engineers in Woking build around that monocoque and how they tune the engine: +/- 600 horsepower in the 12C (depending on the year it was built), 640 hp in the 650S, or 727 hp in the P1 (with another 177 from the electric assist). The 911 fighter would likely develop in the 500hp range, and the P15 will probably land in the upper 600 (or lower 700) range.

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.

WSJ investigation reveals Takata may have hidden testing failures

We're not sure how much more Takata can get wrong concerning its airbag fiasco. The Wall Street Journal says it reviewed internal documents submitted during litigation that reveal US engineers had concerns about altered test data for at least a decade, from 2000 to 2010. This comes after Taktata's largest customer, Honda, stopped doing business with the company, publicly calling Takata out for "misrepresented and manipulated test data." On top of that, the National Highway Traffic Safety Administration hit the Japanese company with an open-ended fine of $70 million. Ford took away its business, as have Toyota and Mazda. The latest recall tall has surpassed 19 million vehicles in the US alone. The in-house memos show US employees complaining among themselves that their Japanese equivalents were burying validation test failures and changing the results of validation tests. Such tests are conducted to show automakers that Takata products met specification, and employees specifically cite Honda as the recipient of those edited or redacted reports. One US engineer wrote that the "prettying up" of data "confounded my engineers," and "has gone beyond all reasonable bounds and now most likely constitutes fraud." The engineer apparently said his team made sure that the products were up to spec by using alternative data. Takata said the issues the Journal article covers don't have anything to do with the exploding airbags, and that in one case the problem with the airbag inflator was resolved, and in another case the problem airbag inflators didn't reach production. Takata admitted to the Journal that there have been past instances of "selective, incomplete or inaccurate data" in customer validation reports and apologized, laying the situation at the feet of employees trying to meet production deadlines. News Source: Wall Street JournalImage Credit: KAZUHIRO NOGI/AFP/Getty Images Government/Legal Recalls Honda Safety