The Most Energy-Efficient Cars on the Market

Source: Courtesy of Mazda

7. Mazda MX-30
> Greener Score: 65 out of 100
> Powertrain: EV
> Fuel economy: 92 combined MPGe (98 city, 85 highway)
> 5-year savings in fuel cost: $5,750

Source: Courtesy of Hyundai

6. Hyundai Elantra Hybrid Blue
> Greener Score: 65 out of 100
> Powertrain: Gasoline hybrid
> Fuel economy: 54 combined MPG (53 city, 56 highway)
> 5-year savings in fuel cost: $4,500

Source: Courtesy of Kia

5. Kia Niro Plug-In Hybrid
> Greener Score: 65 out of 100
> Powertrain: Plug-in hybrid
> Fuel economy: 105 combined MPGe, 46 combined MPG (113 / 48 city, 100 / 44 highway)
> 5-year savings in fuel cost: $5,000

Source: Michael Dodge / Stringer / Getty Images

4. Nissan Leaf
> Greener Score: 67 out of 100
> Powertrain: EV
> Fuel economy: 111 combined MPGe (123 city, 99 highway)
> 5-year savings in fuel cost: $6,250

Source: Courtesy of Mini Cooper

3. Mini Cooper SE Hardtop 2 Door
> Greener Score: 67 out of 100
> Powertrain: EV
> Fuel economy: 110 combined MPGe (119 city, 100 highway)
> 5-year savings in fuel cost: $6,250