Last week the US EPA proposed regulations known as Tier 3 rulemaking that would increase fuel efficiency and tighten controls on sulfur in gasoline. The EPA described the new rules as “sensible standards for cars and gasoline that 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 environmental community, many politicians and some business associations are strongly in favor of the regulations, while the refining industry is bitterly opposed. Both sides claim the regulations will save money and have very different views on how the rules will affect gasoline prices. The following is a collection of statements EPA sent in an email from prominent environmental, political and trade group voices speaking in favor of the regulations: Keep reading →