Best by Class

Starting with the latest model year, these vehicles scored highest in their vehicle class.

Year	Make	Model	Specification	Emission Standard	MPG City	MPG Hwy	Green Score	Class Ranking	Class
2020	Toyota	COROLLA	2.0L 4, auto CVT	LEV-III ULEV50 / Tier 3 Bin 50	31	40	54	Above Average	Midsize Cars	Details
2020	Toyota	COROLLA	1.8L 4, manual	LEV-III ULEV70 / Tier 3 Bin 70	29	39	54	Above Average	Midsize Cars	Details
2020	Toyota	COROLLA	1.8L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	30	38	54	Above Average	Midsize Cars	Details
2020	Mini	COOPER CONVERTIBLE	1.5L 3, auto [P]	LEV-III SULEV30 / Tier 3 Bin 30	28	37	54	Above Average	Subcompact Cars	Details
2020	Mini	COOPER HARDTOP 2 DOOR	1.5L 3, auto [P]	LEV-III SULEV30 / Tier 3 Bin 30	28	37	54	Above Average	Subcompact Cars	Details
2020	Mini	COOPER HARDTOP 4 DOOR	1.5L 3, auto [P]	LEV-III SULEV30 / Tier 3 Bin 30	28	37	54	Above Average	Subcompact Cars	Details
2020	Honda	CIVIC 2DR	1.5L 4, auto CVT	LEV-III ULEV125 / Tier 3 Bin 125	30	37	53	Average	Compact Cars	Details
2020	Honda	CIVIC 4Dr	2.0L 4, auto CVT	LEV-III ULEV125 / Tier 3 Bin 125	29	37	53	Average	Compact Cars	Details
2020	Honda	CIVIC 5DR	1.5L 4, auto CVT [P]	LEV-III SULEV30 / Tier 3 Bin 30	29	35	53	Average	Compact Cars	Details
2020	Honda	CIVIC 5DR	1.5L 4, manual [P]	LEV-III ULEV125 / Tier 3 Bin 125	29	37	53	Average	Compact Cars	Details
2020	Honda	CIVIC 5DR	1.5L 4, auto CVT [P]	LEV-III ULEV125 / Tier 3 Bin 125	30	36	53	Average	Compact Cars	Details
2020	Honda	CIVIC 5DR	1.5L 4, auto CVT [P]	LEV-III ULEV125 / Tier 3 Bin 125	29	35	53	Average	Compact Cars	Details

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auto cvt

denotes continuously variable automatic transmission.

auto stk

denotes manually adjustable automatic transmission

[CNG]

denotes Compressed Natural Gas

[P]

denotes premium gasoline.

[D]

denotes diesel

Emission Standards:

A listing with two emission standards (e.g., Tier 2 bin 5 / ULEV II) denotes a single vehicle carrying both a federal and California emission certification. Green scores for such listings reflect the cleaner of the two certifications.

Battery-Electric Vehicle Fuel Economy:

Fuel economy for pure battery-electric vehicles is provided in miles per kilowatt-hour.

Plug-in Hybrid Fuel Economy:

Fuel economy for plug-in hybrids is provided in miles per gallon for gasoline operation and in miles per kilowatt-hour for electric operation.

"For those of you who are more inclined to buy green than you are to drive through it as fuel prices rise, I can recommend no better resource than ACEEE's Green Book...[It] offers solid, practical, well-researched, balanced advice."

Warren Brown, Washington Post

"...It's easy-to-use rating system makes it a snap to see the green from the mean. So enlighten your mind and free your lungs and check out ACEEE's Green Book before you buy."

Motor Week, Maryland Public Television

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