New York Times: THE Environmental Protection Agency's latest proposed tightening of limits on sulfur in gasoline, and its previous rules, will most likely have the perverse consequence of retarding the development of cars running on batteries, advanced biofuels or hydrogen -- all promising but expensive technologies that have not become mass-market products.
At the least, domestically produced gasoline and rapid advances in technology to make the internal combustion engine more efficient are likely to help the...