Posted by Admin on
February 25, 2009
As you may know, to meet the stringent diesel emission criteria here in the United States, all the new Mercedes Benz BlueTec diesels use urea. It’s carried in a separate tan and injected into the catalyst. As you’d expect, the urea must be replenished from time to time, generally at the 10,000 mile service intervals, and now Mercedes informs us that their vehicles won’t start if the urea is allowed to run out.
BlueTec cars and SUVs will notify the driver when the 7 gallon urea tank reaches 1 gallon, and again when it runs completely out, allowing 20 additional starts before disabling the vehicle. At least 2 gallons of fluid must be added for the system to reset and permit the car to be started. Now, where might someone find two gallons of urea on the open road? Read the rest of this entry »
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Posted by Admin on
September 14, 2008
Mercedes has announced their latest C-Class car with its next-generation four-cylinder diesel mill, uniquely titled “BlueEFFICIENCY.” And the specs are certainly impressive: Mercedes boasts 204 HP and 369 lb-ft of torque from the 2.2-liter four, while returning a combined 45 MPG and meeting EU5 emissions standards in the C-Class Prime form. Mercedes states the BlueEFFICIENCY engine will replace four separate diesels at the company, and be offered in the E-Class, the new GLK-Class and in a future E‑Class Coupe (yes, you heard me right – an E-Class Coupé is coming) in addition to the C-Class.
The technological highlights include a maximum ignition pressure of 200 bar; fourth-generation common-rail technology with a rail pressure increased to 2000 bar and a new piezo-injector concept with direct nozzle needle control (for greater flexibility in injection timing); larger, variable oil spray nozzles and a variable water pump; dual-stage supercharging; and a camshaft drive positioned in the rear. But don’t worry, If you don’t know what any of that means, the performance figures speak for themselves.
Equipped on the C 250 CDI BlueEFFICIENCY, the new 2.2L diesel engine is capable of propelling the C-Class from 0-62 mph in just 7.0 seconds and a top speed of 155 mph. But what makes the powerplant truly unique is it’s fuel consumption. The diesel helps the C-Class consume an NEDC average of 5.2 liters of fuel per 100 km (or 45 mpg, for Americans). In addition, CO2 emissions weigh in at 138 g/km, enough to easily comply with future EU5 emissions standards.
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Posted by Admin on
September 9, 2008
Meet the Ford Fiesta ECOnetic, it gets an astonishing 65 mpg, but the carmaker can’t afford to sell it in the U.S. What’s that? If ever there was a car made for today, this would be it. The ECOnetic is a sporty subcompact that seats 5, has a navigation system, and gets a whopping 65 miles to the gallon. Oh yes, and the car is made by Ford Motor Company, the company known mainly for portly gas hogs.
Ford’s 2009 Fiesta ECOnetic will go on sale in November 2008. But here’s the problem. This beauty, even with the car’s potential to change Ford’s image to help it compete with Toyota and Honda in Ford’s home market, will only be sold in Europe.
“We know it’s an awesome vehicle,” says Ford America President Mark Fields. “But there are business reasons why we can’t sell it in the U.S.” The main one: The Fiesta ECOnetic runs on diesel.
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