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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.

Junkyard Gem: 1973 Mercury Montego MX Brougham Sawzall Convertible Edition

You know how it goes— the weather is warm, you want to do some top-down driving, and you lack a proper convertible... but you do have a hooptie Detroit car on one side of the garage and a big ol' Sawzall on the other. Put the two together and you have a Sawzall Convertible, which generally lasts for about one summer before it gets scrapped. Here's a fine example of such a car, photographed in a San Francisco Bay Area self-service junkyard. Most Sawzall Convertibles (yes, it should be called a roadster, but nobody does that) have raw, ragged metal edges, or maybe duct tape over the stumps of the amputated pillars, but someone went to the trouble to weld nice smooth metal covers over the hackage on this one. The windshield is gone. Instead, the windshield frame is ringed by tongue depressors held in place by gooey roofing tar. No, we don't know why. The Montego MX Brougham was a hot-selling personal luxury coupe in its day, selling for $3,041 in 1973. That's just under $17,000 in 2017 dollars. It must have been fun, cruising this thing on Bay Area streets with no roof and a rattle-can spray-bomb job. This one has the optional 400-cubic-inch V8 engine, rated at 171 horsepower. What would this car's original buyer have thought of its fate? This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. It's like a Marquis Brougham after you squish it in the car crusher! Featured Gallery Junked 1973 Mercury Montego MX Brougham Sawzall Convertible View 22 Photos Auto News Mercury Convertible Luxury Classics montego

Junkyard Gem: 1977 Mercury Bobcat

Cultural memory of the Ford Pinto, 38 years after the last new ones were sold, boils down to one thing today: the notorious "exploding Pinto" stories of the late 1970s. Yes, many Pinto jokes were told, the resale value of Pintos crashed, and few paid any attention to the fact that most of the cars sold with the fuel tank between the rear axle and the bumper — that is, just about every Detroit car made during the era — suffered from the same weakness. The Mercury version of the Pinto was badged as the Bobcat, but nobody told Bobcat jokes. Here's a '77 Mercury Bobcat 3-Door in vivid Medium Jade paint, spotted in a Denver self-service yard. The Pinto with glass rear hatch was known as the Pinto Runabout in 1977, while Mercury called this car the " Bobcat 3-door with Glass Third Door." When a car sits for years or decades in High Plains Colorado, rodents tend to nest in it. This Bobcat's air cleaner made a cozy home for our Hantavirus-carrying friends. The 1970s were the last gasp for eye-searingly green vinyl car interiors. Since the Bobcat was a luxed-up Pinto, the door panels have shinier trim than what you'd have had in a proletariat-grade Pinto. Pinto/Bobcat transmission choices boiled down to two: a four-speed manual or a three-speed automatic. Unusually for a Malaise Era Mercury, this one has the manual. Most Pintos and Bobcats came with four-cylinder engines, ranging from the 1.6-liter pushrod Kent to the 2.3-liter engine that lived on for many post-Pinto years in Ford Rangers. This car has the 2.3, rated at 89 horsepower, but the same 2.8-liter Cologne V6 that powered the Capri was available as an option in the Bobcat. That engine made a mighty 93 horsepower. These cars were not too miserable to drive by econobox standards of their time, at least when they had three pedals. You'd blow the doors off a '77 Corolla with a 4-speed Bobcat in a drag race, though the Corolla got better fuel economy. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Gives you hundreds of pounds more car than most small imports and includes standard self-adjusting rear brakes! Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Featured Gallery Junked 1979 Mercury Bobcat View 15 Photos Auto News Mercury Automotive History ford pinto bobcat