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Why can't Americans have good, small diesels?

According to a London Assembly report, air pollution in the UK capital may have contributed to the deaths of some 3,000 people in the year 2005. Further, while not as important as the health of London's populace, the report estimates that these health-related issues cost £20 billion per year to treat. The main culprit for the city's poor air quality? Diesel engines. Says Darren Johnson, Chair of the London Assembly's Environment Committee:

While most customers don't need to worry about exactly what the emissions standards are for their diesel vehicles, manufacturers and those keeping a strict eye on CO2 emissions do. For consumers, the upcoming stricter standards on diesel vehicles in the United States mean cleaner, more efficient cars. For manufacturers and engineers, it means figuring out how to stop the CO2 from getting into the air. How much CO2, you ask, well, that's what the Tier 2 regulations tell us (Tier 2 regulations app

Toyota is working on ultra-clean diesel engines independently from their recent hook-up with Isuzu. Similarly to the United States and Europe, Japan is introducing stricter emissions requirements for diesel engines for 2009. The new regulations in Japan require particulate emissions of one-third of what is currently allowed there, and one-fifth of what is currently allowed in Europe. Starting in the second half of 2008, Toyota intends to install their new engines in Europe, where forty percent o

DaimlerChrysler announced Monday that the company will stop making the diesel Jeep Liberty SUV for sale in the U.S., despite better-than-expected sales in 2005. According to the Detroit News, the compact SUV's engine doesn't meet new tough federal emissions standards that will kick in next year and Chrysler didn't want to put a newer engine into the Liberty. A Chrysler spokeswoman told the Detroit News, "The emission standards are becoming very stringent, and we weren't able to make a credible b