Almost one year after first proposing the stricter vehicle emissions standards known as Tier 3, the US Environmental Protection Agency (EPA) today finalized the new levels. These restraints on "harmful soot, smog and toxic emissions" should go a long way to cleaning up the air and reducing the negative health impacts of the cars and trucks we drive. While they reserved the right to change their minds once the full specifics have been studied, the response from the auto industry and other stakeho
The Environmental Protection Agency (EPA) added a new word to the wider public lexicon today when it proposed new emission and fuel standards for cars and gasoline: Tier 3. This new regulation is "sensible" and will "significantly reduce harmful pollution, prevent thousands of premature deaths and illnesses, while also enabling efficiency improvements in the cars and trucks we drive," the EPA says. Unsurprisingly, not everyone agrees.
Now that car buyers are starting to accept hybrids and EVs, there's more willingness to consider other green car technologies, including diesel, CNG and hydrogen. But the road to wider acceptance – and affordability – is being slowed by a lack of infrastructure and overlapping state and federal regulations that are sometime are at odds with one another.
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