Diesel. It's good, it's good, and it's ugly. The first good: Audi cannot lose this year with their diesel endurance racing team. The second good: diesel is the thrifty guy's fuel. The ugly: diesel soot makes kids in the Bronx wheeze with asthma. Thankfully, the Ultra Low Sulfur Diesel introduced across the counrty earlier this month kind of makes it three goods in a row. On the biofuel front, how about that EPA finding loopholes for ethanol plants to pollute through? What a shame.

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