This page contains program announcements such as regulations, Federal Register (FR) notices, and guidance posted in calendar year 2013. 

Gasoline Sulfur

• Tier 3 gasoline program 
• Tier 2 gasoline program 

Gasoline Mobile Source Air Toxics

• MSAT program 

Reformulated Gasoline (RFG)

• No announcements.

Gasoline Reid Vapor Pressure (RVP)

• No announcements

Winter Oxygenates

• No announcements

Learn more about: 

• 2015 Announcements
• 2014 Announcements
• 2012 Announcements
• 2011 and Older Announcements