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The greenest cars of 2024: Vehicles that use the least fuel and cost less to operate

The greenest cars of 2024: Vehicles that use the least fuel and cost less to operate



All-electric vehicles may make headlines for environmental friendliness and fuel efficiency, but the “greenest” car in America in 2024 has a gasoline engine. According to the American Council for an Energy-Efficient Economy's annual GreenerCars ratings of the most environmentally friendly cars, the latest Toyota Prius Prime SE plug-in hybrid tops the list of greenest cars, although it's something of an anomaly, because battery-electric EVs follow it in spots two to five.

Of the top 10 vehicles in the ratings, six are electric and four are hybrids:

Rank

Make & Model

Powertrain

Green
Score

MSRP

Estimated Annual
Fuel Cost*

1

Toyota Prius Prime SE

PHEV

71

$32,975

$529

2

Lexus RZ 300e

EV

67

$55,150

$651

3

Mini Cooper SE

EV

67

$30,900

$747

4

Nissan Leaf

EV

66

$28,140

$741

5

Toyota bZ4X

EV

66

$43,070

$689

6

Toyota RAV4 Prime

PHEV

64

$43,690

$741

7

Hyundai Elantra Blue

Gas Hybrid

64

$26,250

$864

8

Hyundai Kona Electric

EV

63

$34,050

$695

9

Toyota Camry LE

Gas Hybrid

63

$28,855

$907

10

Kia EV6

EV

63

$43,975

$689

11

Toyota Corolla

Gas Hybrid

62

$23,500

$944

12

Hyundai Ioniq 5

EV

62

$41,650

$737

*ACEEE analysis using EIA data of annual cost—from gasoline, electricity, or a combination—of driving 15,000 miles