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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 ...
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 ...