2010 CHEVROLET HHR 2.2L Manual 2WD Ethanol - US
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Company rating on whether its facilities have been certified under the International Organization for Standardization (ISO) 14001. Certification means the company meets ISO environmental management standards, which require a commitment to minimizing environmental impact and improving environmental performance. To learn more visit www.iso.org. Rating is relative to other companies in the same industry.
The US EPA launched the SmartWay designation to highlight the cleanest, most efficient vehicles for each model year. All vehicles listed in EPA's Green Vehicle Guide receive an Air Pollution Score and a Greenhouse Gas Score, on a scale of 1-10. The SmartWay designation is earned by those vehicles that have combined Air Pollution and Greenhouse Gas Scores that place them in the top tier (approximately the top 20%) of environmental performers. epa.gov