Alternative Fuel, Advanced Vehicle, and Idle Reduction Technology Tax Credit

An income tax credit is available from the Colorado Department of Revenue for a motor vehicle titled and registered in Colorado that uses or is converted to use an alternative fuel, is a hybrid electric vehicle (HEV), or has its power source replaced with one that uses an alternative fuel. Qualified idle reduction technologies are also eligible for the tax credit. Credits are based on defined vehicle and technology categories as follows:

CategoryJan. 1, 2012, to Jan. 1, 2013Jan. 1, 2013, to Jan. 1, 2014Jan. 1, 2014, to Jan. 1, 2015Jan. 1, 2015, to Jan. 1, 2016
1 - Vehicle meeting Tier 2, Bin 1 federal emissions standards 75%75%75%75%
2 - Light-duty diesel-electric hybrid passenger vehicle with a minimum fuel economy of 70 miles per gallon (mpg)45%25%15%15%
3 - Light-duty passenger vehicle, light-duty truck, or medium-duty diesel-electric truck conversion that increases original fuel economy by at least 40%; or a new diesel-electric or gasoline-electric hybrid medium-duty truck with 30% greater fuel economy than a comparable vehicle55%35%25%25%
4 - Light-duty passenger vehicle, light-duty truck, or medium-duty truck powered by compressed natural gas, either original equipment manufacturer or converted vehicles55%35%25%25%
5 - Idle reduction technologies25%25%25%25%
6 - Vehicle meeting Tier 2, Bin 2 or 3 federal emissions standards, with a fuel economy of at least 40 mpg10%10%0%0%

The credit is capped at $6,000 for the following: alternative fuel vehicles (AFVs), AFV conversions, HEVs, plug-in hybrid electric vehicles (PHEVs), idle reduction technologies, and power source replacements. The credit for PHEV conversions is capped at $7,500. Individuals who claimed a tax credit in previous years for the purchase of a Model Year 2004 or newer HEV may be eligible to claim an additional credit for the conversion of the same vehicle to a PHEV. Credits generated after January 1, 2010, that exceed the tax due are refundable but cannot be carried forward. Used vehicles may qualify with proof that the prior owners did not claim the tax credit. For additional information regarding tax years prior to January 1, 2012, see the Department of Revenue's Income 9 FYI publication. For additional information regarding tax years after January 1, 2012, see the Income 67 FYI publication.

(Reference Colorado Revised Statutes 39-22-516)

Point of Contact

John Doty
Manager, Sales Tax Administration Unit
Colorado Department of Revenue
Phone: (303) 205-8211 x6889
Fax: (303) 866-3211
jdoty@spike.dor.state.co.us