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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.

New Chevy ad suggests truck war is alive and well | Autoblog Minute

Senior Editor Greg Migliore discusses Range Rover spy shots, Faraday Future's new executive hire, and the Chevy-Ford truck war. Ferrari Ford SUV Autoblog Minute Videos Original Video transportation faraday future marco mattiacci

2021 Ford Mustang Mach 1 revealed, plus driving the BMW M8 Convertible | Autoblog Podcast #632

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Producer Christopher McGraw and News Editor Joel Stocksdale. Before they get to this week's big news, they talk about the cars they've been driving, including the Toyota Land Cruiser, Range Rover Velar SVAutobiography Dynamic Edition, BMW M8 Convertible and BMW 840i coupe. Then they talk about Ford's big reveal of the 2021 Mustang Mach 1. Finally, in lieu of the regular Spend My Money segment, they talk about how Joel recently spent his own money on the newest edition to his personal fleet, a 2013 Volkswagen Beetle. Autoblog Podcast #632 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving: 2020 Toyota Land Cruiser 2020 Range Rover Velar SVAutobiography 2020 BMW M8 Convertible 2020 BMW 840i Fords reveals 2021 Mustang Mach 1 Spend Joel's Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: