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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.

Automakers tussle over owners of 'orphan' makes

When General Motors put down several of its brands in recent years, it also let loose thousands of brand-loyal customers who will eventually need another car.
R.L. Polk Associates estimates there are more than 18 million cars from 16 discontinued makes on the road today. Those "orphan owners" have sales-hungry competitors seeing dollar signs. GM is offering Saturn owners $1,000 cash toward a Chevy Cruze, Cadillac CTS or a GMC Acadia. Ford is giving its Mercury lease customers a chance to get out of their contracts with no early-termination penalty and offering to waive six remaining payments if they drive off in a Ford or Lincoln.
Edmunds.com research shows the efforts are paying off somewhat for GM, with 39 percent of Pontiac owners, 37 percent of Hummer owners and 31 percent of Saturn owners taking delivery of another GM-branded vehicle. But that leaves as much as 69 percent of owners going elsewhere. Ford, Honda and Toyota seem to be attracting many former GM owners.

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