This study is as obsolete as the one done in Denver used to justify oxygenates (now ethanol) in gasoline. There are no fine particulates in diesel exhaust of any engine built in the last 6-8 years. This study failed to mention that particulate filters have been required for years and that they are effective.
This study is as obsolete as the one done in Denver used to justify oxygenates (now ethanol) in gasoline. There are no fine particulates in diesel exhaust of any engine built in the last 6-8 years. This study failed to mention that particulate filters have been required for years and that they are effective.