Yahoo Web Search

  1. Ads

    related to: limbaugh

Search results

    • Letter: Why ethanol is important

      Post-Bulletin· 4 days ago

      2) In the mid 1980s, oil companies convinced the EPA to allow MTBE (methyl tert-butyl ether), a byproduct of petroleum refining, to reduce air pollution. Scientists argued MTBE is a known carcinogen ...