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Ford finds flex-fuel engine design plays big role in emissions output

How bad is ethanol for your engine? There's been a lot of debate on this issue as the US considers upping the biofuel content in the national gasoline supply from 10 percent (E10) to 15 percent (E15). The ethanol industry and some scientists say higher ethanol blends show no "meaningful differences" in new engines while the oil industry says ethanol creates health risks. Researchers working at the Ford Research and Innovation Center decided to take a closer look at how a wide range of gas-ethanol blends - E0, E10, E20, E30, E40, E55 and E80 - affected the emissions coming out of a flex-fuel 2006 Mercury Grand Marquis. To see the full report, printed in the journal Environmental Science & Technology, requires payment, but there is an abstract and Green Car Congress has some more details. The gist is that, "with increasing ethanol content in the fuel, the tailpipe emissions of ethanol, acetaldehyde, formaldehyde, methane, and ammonia increased." At least NOx and NMHC emissions decreased. The researchers say that the effects are due to the fuel and "are expected for all FFVs," but that the way that a manufacturer calibrates the engine will affect NOx, THC, and NMOG emissions. It's this last bit that's important, since the researchers found, "Higher ethanol content in gasoline affects several fundamental fuel properties that can impact emissions. ... These changes can have positive or negative effects that can depend on engine design, hardware, and control strategy. In addition to direct emissions impacts, higher ethanol content fuel can also provide more efficient combustion and overall engine operation under part-load conditions and under knock-limited higher-load conditions." So, as we head towards more ethanol in our fuel supply (maybe), manufacturers are going to need to learn how to burn it most efficiently.

2014 Ford Fiesta ST priced from $21,400* [w/poll]

The 2014 model year brings a whole host of changes to Ford's Fiesta B-Segment fighter, the most important of which (to our enthusiast eyes, anyway) is the addition of a potent new ST model. The US-spec hot hatch was first shown at the 2012 Los Angeles Auto Show last November, and thanks to Ford's build-and-price site, we've now learned that the Fiesta ST will slide in at $21,400 when it goes on sale later this year (*not including $795 for destination).
Under the hood of the ST is a turbocharged 1.6-liter EcoBoost inline-four good for 197 horsepower and 214 pound-feet of torque, mated solely to a six-speed manual transmission. Ford hasn't released performance data on its pint-sized puncher just yet, but know that these numbers make the Fiesta ST ever-so-slightly more powerful than the larger Volkswagen GTI while returning an estimated 34 miles per gallon on the highway.
Elsewhere in the lineup, the standard Fiesta also gets a smattering of improvements for the 2014 model year, including a new 1.0-liter three-cylinder turbocharged engine and revised exterior styling. Pricing for the 2014 Fiesta sedan starts at $14,000, with the five-door model adding $600 to that number (again excluding the $795 destination fee).

New upscale Ford Taurus revealed in Shanghai

As much as the Ford Taurus may have going for it, we wouldn't classify it as a luxury sedan as much as a mass-market one. The story is different in China, however, where Ford has introduced an altogether more upscale version of the Taurus. Shown this weekend at the Shanghai Motor Show, the Chinese-market Taurus is longer and more luxurious than the sedan we know on these shores. For starters, its wheelbase has been stretched from 113 inches to 116. That means more legroom for the rear seat; useful in a market where the vehicle's owner is often chauffeured. Those rear seats can power-recline as well, with adjustable lumbar support and massage function. A fold-down armrest holds with controls for the seats, air-con and audio system. And panoramic sunroof tops the whole affair. That commodious cabin is wrapped in revised sheet metal that's designed to look decidedly more upscale as well. Power is provided by a 2.7-liter twin-turbo EcoBoost V6 of unspecified output but which produces 315 horsepower in the Ford Edge, 325 in the F-150 and 335 in the Lincoln MKX. This version of the Taurus is earmarked specifically for the Chinese market for the time being, and set to be produced locally at the Changan Ford plant in Hangzhou. Scope out the images in the slideshow above and the details in the press release below for a closer look at Ford's new Chinese flagship. Related Video: 2015-4-18 | Shanghai, China New Ford Taurus Sets a New Benchmark for Large Sedans in China - Ford Taurus, a new premium business sedan for China, combines expressive design, exceptional craftsmanship and advanced technology - Taurus is the latest vehicle delivered as part of Ford's commitment to bring 15 new world-class vehicles to China by 2015 - Powerful, confident and inviting exterior design is matched by a spacious and elegant interior with carefully chosen materials for a sense of prestige - New high-output twin-turbo 2.7-liter EcoBoost V6 engine offers effortless power with high efficiency - Taurus will be manufactured at new $760 million Changan Ford Hangzhou plant Introducing a new premium sedan for discerning Chinese business customers, Ford today unveiled the new Ford Taurus at a special event in Shanghai. Designed especially to meet the needs of the Chinese market, the vehicle brings the historic Taurus nameplate to China for the first time.