Colorado Code
Part 2 - Fuel Products
§ 8-20-201. Definitions

As used in this part 2, unless the context otherwise requires:
(1.1) "Antiknock index" or "AKI" means the arithmetic average of the research octane number (RON) and motor octane number (MON): AKI = (RON+MON)/2. This value is called by a variety of names in addition to antiknock index including: Octane rating, posted octane, and (R+M)/2 octane.
(1.2) "ASTM" means ASTM international, formerly known as the American society for testing and materials.
(1.3) "British thermal unit" or "BTU" means a scientific unit of measurement equal to the quantity of heat required to raise the temperature of one pound of water one degree Fahrenheit at approximately sixty degrees Fahrenheit.
(1.5) "Department" means the department of labor and employment, division of oil and public safety.
(1.7) "DOT" means the United States department of transportation.

(3.5) "Hg" means the element mercury.

(5.3) "NFPA" means the national fire protection association.
(5.5) "NIST" means the national institute of standards and technology.

(8.5) "Renewable fuel" means a motor vehicle fuel that is produced from plant or animal products or wastes, as opposed to fossil fuel sources.

Source: L. 31: p. 589, §§ 1, 2. CSA: C. 118, § 1. L. 41: p. 581, § 1. CRS 53: § 100-2-1. C.R.S. 1963: § 100-2-1. L. 73: p. 1066, § 2. L. 93: (1) amended and (1.5), (2.3), (2.5), (2.7), and (4.5) added, p. 269, § 2, effective July 1. L. 97: (1), (2.3), (2.5), (2.7), and (4.5) amended, p. 137, § 1, effective March 28. L. 2001: (1.5) amended, p. 1115, § 5, effective June 5. L. 2005: (1), (1.5), and (2) amended and (1.1), (1.2), (1.7), (3.5), (5.3), and (5.5) added, p. 1341, § 1, effective August 8. L. 2007: (1), (1.1), and (1.2) amended and (1.3) and (8.5) added, p. 1759, § 2, effective June 1. L. 2013: (2) amended, (HB 13-1110), ch. 225, p. 1055, § 3, effective January 1, 2014. L. 2016: (2) amended, (HB 16-1053), ch. 4, p. 8, § 2, effective March 9.
Editor's note: The amendment made to subsection (1) by House Bill 93-1114 resulted in adding new language to subsection (1) and numbering what was subsection (1) as subsection (1.5).
Cross references: For the legislative declaration contained in the 1993 act amending subsection (1) and enacting subsections (1.5), (2.3), (2.5), (2.7), and (4.5), see section 1 of chapter 79, Session Laws of Colorado 1993. For the legislative declaration in the 2013 act amending subsection (2), see section 1 of chapter 225, Session Laws of Colorado 2013.