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BASF explains how diesel catalysts work

Catalytic converters are quite common for gasoline engines but diesel catalysts are less known, in part because they face greater challenges. Still, diesel catalysts have not disappeared because they are efficient and, when you start your car, they don't produce heaps of CO2. Their main problem is the large amount of carbon particulates (soot) and nitrogen oxides in the exhaust gas. Standard three-way converters are not effective because of the high oxygen content of these gases. BASF is on the case, though. BASF's catalyst researcher Bob ... Read more →

NxtGen gets grant for field testing of retrofit diesel emission controls Sam Abuelsamid

British Columbia-based NxtGen has recieved $5.5 million in funding from the Government of Canada, EnCana Corporation and Sustainable Development Technology Canada that will allow them to proceed with ...

Madrid announces plans to ban polluting cars from city center Xavier Navarro

The City Council of Madrid, Spain, has unveiled plans to create a low-emissions zone in the city center which would ban polluting cars. This system is very similar to the ones implemented in several ...

Removing nitrogen-oxide emissions from diesel exhausts without urea Jeremy Korzeniewski

Whether or not you believe in global warming, nitrogen-oxides, or NOx, definitely does contribute to acid rain and smog, which are not debatable. Because NOx is emitted in large quantities from the ...

Los Angeles Times: E320 Bluetec is best car Californians can't buy Dane Muldoon

Click on the image for a gallery of high-res images of the 2007 Mercedes-Benz E320 Bluetec. Writing for the Los Angeles Times, Dan Neil has a good piece about the California Air Resources Board ...

Union Pacific Railroad unveils ultra-low emission diesel locomotives 2 years ago on Autoblog Green

Just days after we wrote about the problem of trying to introduce cleaner locomotives into existing railway's fleets, Union Pacific Railroad has unveiled the first of 60 new environmentally friendly, ultra-low emission diesel locomotives for use in the Los Angeles region. In prototype and testing ...

Trucks ready to roll on EPA's 2007 clean diesel spec 2 years ago on Autoblog Green

Industry organisation, Diesel Technology Forum, has announced that all major heavy-duty truck and engine manufacturers have met new Environmental Protection Agency standards for emissions cuts and have been certified by EPA for full production. To meet the new emissions requirements, new long-haul ...

General Motors Medium Duty Trucks reduce diesel emissions 2 years ago on Autoblog Green

General Motors has announced its Medium Duty Truck lineup for the 2007i (the i stands for interim) and 2008 model years feature increased performance, increased driver comfort and reduced diesel emissions. Included are an all-new Chevrolet and GMC W-Series, as well as revised diesel engines and ...

Diesel Technology Forum white paper on retrofitting diesel engines 2 years ago on Autoblog Green

Diesel Technology Forum has released a new PDF white paper designed to give diesel users a comprehensive overview of how diesel technology and regulations are changing to reduce diesel emissions. Covered are the new diesel emissions standards and the introduction of Ultra Low Sulphur Diesel (ULSD), ...

SuperGen supercharger improves diesel efficiency 2 years ago on Autoblog Green

SuperGen, a new electro-mechanical supercharger technology jointly developed by automotive engineering specialist Integral Powertrain and transmission technology company NexxtDrive, is designed to improve on existing turbo diesel theory. The variable-speed, electrically-controlled supercharger ...

Clearer skies through NOx legislation, smog levels down in East 3 years ago on Autoblog Green

In an annual report, the Environmental Protection Agency stated that smog levels have dramatically dropped for 19 Eastern states covering roughly 1/3 of the nation's population. The reduction is primarily due to fewer emissions of nitrogen oxides (NOx) from industrial plants and manufacturing ...

Consumer Reports tests 2007 Tahoe on gasoline and E85 3 years ago on Autoblog Green

Consumer Reports discovered the overall fuel mileage on a flex-fuel 2007 Tahoe went from 14 mpg on gasoline to 10 mpg on E85. CR quoted an average price of E85 at $2.91 and said that drivers would essentially pay almost $4 for the equivalent gallon of gasoline. From a different angle: the Tahoe's ...


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