In recognition of Earth Day 2017on Saturday, April 22, the editors at Kelley Blue Book have named their top picksof eco-friendly new cars available under $40,000.

The variety of hybrid, electric and plug-in hybrid vehiclesrecommended by KBB.com editors all offer stellar fuel economy forthe environmentally conscious new-car shopper and auto insurance client.

“With each new model year there are more 'green car' choicesthan ever before,” said Jack R. Nerad, executive editorialdirector and executive market analyst for Kelley BlueBook.

Related: 20 best cars for the money in 2017

Purchasing an environmentally-friendly vehicle may be a smartdecision for the Earth, and for your client's wallet. Take a lookat Kelley Blue Book's picks as the top 10 hybrid cars under $40,000:

This Wednesday, March 23, 2016, file photo shows the 2017Toyota Highlander Hybrid at the New York International Auto Show,in New York. The Toyota Highlander is the top midsize SUV inConsumer Reports' annual rankings, released Tuesday, Feb. 28, 2017.(AP Photo/Mark Lennihan, File)

10. 2017 Toyota Highlander Hybrid

“Three rows of seating, 30 mpg in the city and Toyotareliability make the Highlander Hybrid a tempting SUV.”

Starting price: $37,230

Fuel economy: 29 mpg combined (30 city/28hwy)

System power: 306 horsepower

(Photo: Toyota.com)

9. 2017 Toyota Camry Hybrid

“Start with the best-selling car in the country, add 40-mpg fueleconomy, and you've got something special.”

Starting price: $27,675

Fuel economy: 40 mpg combined (42 city/38hwy)

System power: 200 horsepower

(Photo: Chevrolet.com)

8. 2017 Chevrolet Malibu Hybrid

“The Malibu Hybrid is among the most fuel-efficient midsizesedans on the market, leveraging a version of the same gas-electrichybrid architecture that drives the newest Chevrolet Volt.”

Starting price: $28,750

Fuel economy: 46 mpg combined (49 city/43hwy)

System power: 182 horsepower

(Photo: Toyota.com)

7. 2017 Toyota RAV4 Hybrid

“Equipped with the same proven Hybrid Synergy Drive system thatpowers the Camry Hybrid, the all-wheel-drive RAV4 Hybrid combinesclass-leading fuel economy with ride height, cargo flexibility andgo-anywhere attitude.”

Starting price: $29,990

Fuel economy: 32 mpg combined (34 city/30hwy)

System power: 194 horsepower

(Photo: HyundaiUSA.com)

6. 2017 Hyundai Sonata Hybrid

“The third of five midsize sedans on this list, the SonataHybrid is appealing for all the same reasons as the traditional,gas-only Sonata…it's roomy, comfortable and has one of thesegment's best-designed and most practical interiors.”

Starting price: $26,835

Fuel economy: 42 mpg combined (39 city/45hwy)

System power: 193 horsepower

(Photo: Kia.com)

5. 2017 Kia Optima Hybrid

“Like its Hyundai Sonata corporate cousin, the edgier Kia Optimamidsize sedan also is available as an efficient, smooth-drivinghybrid.”

Starting price: $26,890

Fuel economy: 42 mpg combined (39 city/46hwy)

System power: 192 horsepower

The 2017 Kia Niro sits on display at the Chicago Auto ShowThursday, Feb. 11, 2016, in Chicago. (AP Photo/Charles RexArbogast)

4. 2017 Kia Niro

“The new-from-the-ground-up Kia Niro is a dedicated hybridvehicle for efficiency-minded drivers who'd rather drive somethingthat looks more like a regular car.”

Starting price: $23,785

Fuel economy: 50 mpg combined (52city/49 hwy)

System power: 139 horsepower

(Photo: Honda.com)

3. 2017 Honda Accord Hybrid

“In addition to its highly efficient, well-integratedpowertrain, the Accord Hybrid delivers all the comfort, convenienceand excellent resale value of its more established sibling.”

Starting price: $30,480

Fuel economy: 48 mpg combined (49city/47 hwy)

System power: 212 horsepower

The 2017 Hyundai Ioniq hybrid vehicle is shown at the NewYork International Auto Show, Wednesday, March 23, 2016. (APPhoto/Mark Lennihan)

2. 2017 Hyundai Ioniq Hybrid

“Hyundai's first foray into the dedicated hybrid market, theIoniq debuts as nothing less than the most fuel-efficient hybrid onthe market.”

Starting price: $23,035

Fuel economy: 58 mpg combined (57city/59 hwy)

System power: 139 horsepower

(Photo: Toyota.com)

1. 2017 Toyota Prius

“The competition has never been stiffer, but the proven Priusremains king of the hybrids.”

Starting price: $25,570

Fuel economy: 52 mpg combined (54 city/50hwy)

System power: 306 horsepower

More interested in an electric car? Here are the 5 best electric cars under $40,000, accordingto Kelley Blue Book:

(Photo: Shutterstock)

5 best electric cars under $40,000

5. 2017 Nissan Leaf

Starting price: $31,545

EPA fuel economy equivalent: 112 MPGe

Range per full charge: 107 miles

Charge time at 240V: About 6 hours

4. 2017 Kia Soul EV

Starting price: $33,145

EPA fuel economy equivalent: 105 MPGe

Range per full charge: 93 miles

Charge time at 240V: 4.8 hours

Related: Choosing a plug-in electric car

3. 2917 Volkswagen e-Golf

Starting price: TBA

EPA fuel economy equivalent: 119 MPGe

Range per full charge: 125 miles

Charge time at 240V: 5.3 hours

2. 2017 Hyundai Ioniq Electric

Starting price: $30,335

EPA fuel economy equivalent: 136 MPGe

Range per full charge: 124 miles

Charge time at 240V: 4.4 hours

1. 2017 Chevrolet Bolt EV

Starting price: $37,495

EPA fuel economy equivalent: 119 MPGe

Range per full charge: 238 miles

Charge time at 240V: 9.3 hours

Plug-in hybrid cars are also an eco-friendly option. Check outKelley Blue Book's top 5 most recommended plug-in hybrid carsunder $40,000:

The 2017 Toyota Prius Prime is shown at the New YorkInternational Auto Show, Wednesday, March 23, 2016, in New York.(AP Photo/Mark Lennihan)

5 best plug-in hybrid cars under $40,000

5. 2017 Audi A3 Sportback e-tron

Starting price: $39,859

Electric range: 16 miles (380 miles total)

Hybrid Mode Fuel economy: 34 mpg

Approx. charge time: 2.3 hours (249V), 8 hours (120V)

4. 2017 Hyundai Sonata Plug-In Hybrid

Starting price: $35,434

Electric range: 27 miles (590 miles total)

Hybrid Mode Fuel economy: 39 mpg

Approx. charge time: 3 hours (240V), 9hours (120V)

3. 2017 Kia Optima Plug-In Hybrid

Starting price: $36,105

Electric range: 29 miles (610 milestotal)

Hybrid Mode Fuel economy: 40 mpg

Approx. charge time: 3hours (240V), 9 hours (120V)

2. 2017 Chevrolet Volt

Starting price: $34,095

Electric range: 53 miles (420 miles total)

Hybrid Mode Fuel economy: 42 mpg

Approx. charge time: 4.5 hours (240V), 13 hours (120V)

1. 2017 Toyota Prius Prime

Starting price: $27,985

Electric range: 25 miles (640 miles total)

Hybrid Mode Fuel economy: 54 mpg

Approx. charge time: 2.2 hours (240V), 5.5 hours (120V)

Related: 15 new vehicles you should avoid