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An electric version of the car will follow

A former Formula One engineer has developed an ultra-compact city car, called the T.25, that is even smaller than a Smart car and averages about 74 mpg. The T.25 was designed by Gordon Murray and his team in Shalford, south east England. It took them three years to complete the design, and many features on the tiny vehicle reflect those used on one of the most famous “supercars” ever built: the McLaren F1

Murray's T.25 has a top speed of 80 mph, s only four-feet-wide by eight-feet-long, and has a turning radius of six feet. The vehicle features a central driving position and central instrumentation/controls, much like the McLaren F1, and offers a customizable interior that can set up six different ways to either seat two people in the rear or use it for cargo space.

Weighing in at only 550 kilograms (1,200 pounds), the T.25 is an easily maneuverable car that was developed with Formula One technology, materials, and philosophy, which makes the vehicle parts easy to replace in case of an accident. Also, the side mirrors are placed within the overall width of the car making it more difficult to lose them, and the fuel caps are on both sides of the vehicle for convenience. The sale price for a T.25 is set at $9,000.

In addition to the T.25, Murray has also developed two other new concepts: the T.27 and iStream. The T.27 is the T.25's electric relative with a range of 80-100 miles and has a price tag of $18,000. Currently, this is the only information available on this model.

According to Murray, iStream completely changes the way the manufacturing process is designed by simplifying the auto assembly line. The iStream will "allow all major components to be fitted directly on to the chassis prior to the body panels," which are pre-painted as well, and this streamlining could ultimately lead to smaller and more efficient auto plants that will reduce carbon emissions with the vehicles they're producing. 

The iStream was analyzed by Holger Erker, managing director of the German engineering consultancy IPE Engineering, and showed plenty of interest in the new idea.

"It is the most radical change in, let's say, the last 100 years of car body making," Erker said. "With iStream, one of the most cost intensive production steps -- body panel press shop -- is completely eliminated." 

Murray worked as a Formula One designer from 1969-2006. In 2007, he opened the Gordon Murray Design consultancy. He won the "Idea of the Year" award in November 2008 at Autocar Magazine's annual awards ceremony for his proposed manufacturing process (iStream) for the T.25.

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RE: MPG is misleading
By Spuke on 7/12/2010 7:37:04 PM , Rating: 2
You're getting 4 times more range for the same quantity of fuel with the 40 MPG car.
Are you talking range per gallon or range per tank?

Knowing the MPG allows you to estimate the range of the car, so if both had a 10 gallon tank the 10 MPG car could only go 100 miles while the 40 MPG car can do 400 miles.
I see what you're saying and agree with diminishing returns but most fuel inefficient cars have larger gas tanks. You pay more to fill a larger tank but usually get more range.

My car: 28 mpg hwy per hand calculation, 13 gallon tank, 264 mile range
My truck: 19 mpg hwy per hand calculation, 29 gallon tank, 551 mile range

I compared hand calculations because there are no EPA figures for trucks over a certain weight.

Cost per tank for my car: CA 91 octane, $43
Cost per tank for my truck: CA diesel, $95

Notice that the cost of filling my truck is essentially the same as filling my car. I just do it less often (more upfront cost) in the truck. I would compare city driving but I have no city figures for my car (live and commute in rural area). Maybe someone can fill in that gap with their own figures.

RE: MPG is misleading
By Fritzr on 7/13/2010 1:44:58 AM , Rating: 2
Using the DOE national average prices posted 7.12.2010
Gasoline $2.718 USGal
Diesel $2.903 USGal

Car=$13.384 per 100 miles
Truck=$15.279 per 100 miles

So the almost 20 cents extra and 9 mpg less in fueling the truck is less than a 2 cent per mile difference ... hmmm really need to run the numbers when comparing the mileage rating and purchase cost differences.

RE: MPG is misleading
By Spuke on 7/13/2010 2:32:01 PM , Rating: 2
mmm really need to run the numbers when comparing the mileage rating and purchase cost differences.
I would appreciate that. Thanks. I really expected a huge difference. Unless my numbers are off or I'm leaving something out.

"There is a single light of science, and to brighten it anywhere is to brighten it everywhere." -- Isaac Asimov
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