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
2019	Kia	Optima Hybrid	2.0L 4, auto	LEV-III ULEV125 / Tier 3 Bin 125	39	45	56	Above Average	Midsize Cars	Details
2019	Toyota	YARIS	1.5L 4, auto stk	LEV-II ULEV125 / Tier 3 Bin 125	32	41	55	Above Average	Compact Cars	Details
2019	Volkswagen	Jetta	1.4L 4, manual	LEV-III SULEV30 / Tier 3 Bin 30	30	40	55	Above Average	Compact Cars	Details
2019	Lexus	UX 250h	2.0L 4, auto CVT Awd	Tier 3 Bin 50	41	39	55	Above Average	Compact Cars	Details
2019	Toyota	COROLLA HATCHBACK	2.0L 4, auto CVT	LEV-III ULEV50 / Tier 3 Bin 50	32	42	55	Above Average	Compact Cars	Details
2019	Tesla	Model S 75D	Electric (Li-Ion)	Tier 3 Bin 0	3.02	3.12	55	Above Average	Large Cars	Details
2019	Tesla	Model X 75D	Electric (Li-Ion)	Tier 3 Bin 0	2.7	2.83	55	Above Average	Large SUVs	Details
2019	Honda	CIVIC 4Dr	1.5L 4, auto CVT	LEV-III ULEV125 / Tier 3 Bin 125	32	42	55	Above Average	Midsize Cars	Details
2019	Kia	Optima Hybrid	2.0L 4, auto	LEV-III ULEV125 / Tier 3 Bin 125	39	45	55	Above Average	Midsize Cars	Details
2019	Kia	Forte FE	2.0L 4, auto CVT	LEV-III ULEV70 / Tier 3 Bin 70	31	41	55	Above Average	Midsize Cars	Details
2019	Honda	CIVIC 2Dr	1.5L 4, auto CVT	LEV-III ULEV125 / Tier 3 Bin 125	31	40	54	Above Average	Compact Cars	Details
2019	Toyota	YARIS	1.5L 4, manual	LEV-II ULEV125 / Tier 3 Bin 125	31	40	54	Above 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.

"...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

"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

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