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Cosworth double-feature is XCar's a drool-worthy look back

While American fans of Ford performance cars in the '80s and early '90s were loving the 5.0 Mustang, Taurus SHO and, for those who wanted to be a little different, the Merkur XR4Ti, British fans of the Blue Oval were getting their own unique take on speed. The Sierra RS Cosworth (which was similar but not identical to the aforementioned Merkur) and later Escort RS Cosworth were the stuff of dreams with huge wings, hood vents and big power for their time and class. XCar Films aims to find out whether it is little more than nostalgia that makes these classics famous or it really is their legitimate performance. Thanks to its Formula One and racing success, Cosworth was already a well-established performance name in the UK by the time it began selling tuned engines to Ford for the Sierra and Escort. The Sierra RS Cosworth hit the scene in 1986 with a turbocharged, 2.0-liter four-cylinder engine with 204 horsepower and rear-wheel drive. Its huge wing at the back signaled it immediately as something special, and it proved to be a performance powerhouse on and off the track. When it was retired, Ford replaced it with the Escort RS Cosworth that used an upgraded version of the same engine with 217 hp, all-wheel drive and an even bigger rear wing to net yet more racing victories. XCar really gets into the spirit of the time, opening the video with the lo-fi grain of '80s and '90s TV, but to find out whether the Cossies stand up to modern scrutiny, you have to watch the video below. Stay tuned until the end to enjoy them at their best with some vintage motorsports footage. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Submit your questions for Autoblog Podcast #317 LIVE!

We record Autoblog Podcast #317 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #317
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Ford Green Zone works magic with GPS to make your drive smarter, cleaner

For the most part, plug-in hybrids rely on the power stored in the battery until that charge is depleted. Unless the switch can be changed manually, it's only then that the cars fire up the internal combustion engine and begin using the fossil fuels on board. This is ideal, of course, when one's drive isn't long enough that the car needs to start sipping gasoline at all. On longer commutes, when it's certain that the route is longer than the car's all-electric range, this isn't necessarily the most efficient use of energy. Ford's Green Zone system is designed to save some of that juice for the parts of the drive that require slower speeds. Ford is working on a smart system, based on Nokia mapping technology, that uses GPS data to use both the electricity and conventional fuel more efficiently. Since battery power is less efficient at highway speeds, Ford's Green Zone system is designed to save some of that juice for the parts of the drive that require slower speeds, rather than just using up all the electrons right at the beginning of the drive. Using a website or the in-car navigation system, the driver can pinpoint the parts of the route, highlighted in green, where using battery power would be more effective, and set the car to automatically switch to electricity for those sections. Depending on the route, the car could automatically switch back and forth between the two power sources multiple times, particularly if the drive is a mix between city and highway driving. Of course, Green Zone will be go beyond that. The program is being developed to take traffic and road grade into account, details that allow the car to be make even smarter choices to improve efficiency. Ford even hopes to have Green Zone learn driver habits, and respond accordingly depending on who is driving the car. The system could control other features as well, such as anticipating corners and shifting the headlights to better illuminate the road ahead. Green Zone could also potentially use information from vehicle-to-vehicle networking to control functions in the car. The Green Zone system still has a few years before it will be ready to be put into production vehicles, but Ford is confident it will make its way onto the road eventually. As with other innovations that improve efficiency and make our vehicles smarter, we can expect to see similar technology from other manufacturers, until it becomes a regular part of driving in the future.