You might think that you need to spend big money in order to get a green car with a hybrid, diesel or plug-in powertrain. Our list of July's top green car deals suggests otherwise, proving that you can get an excellent new car with a fuel-efficient powertrain at a good price.

Chevrolet Volt

The Chevrolet Volt is a plug-in hybrid hatchback capable of traveling around 40 miles on electric power alone before a range-extending gasoline engine kicks in. In July, the 2014 Volt is offered with a strong incentive for qualified shoppers interested in financing their next car. Through the end of the month, Chevrolet is touting 0 percent interest for up to 72 months on all Volt models. That's an especially great deal when you consider that the hatchback also comes with up to $7,500 in federal income tax credits plus any applicable state income tax credits.

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Kia Optima Hybrid

The Kia Optima Hybrid is a handsome midsize sedan with a hybrid powertrain and impressive gas mileage figures of 36 miles per gallon in the city and 40 mpg on the highway. In July, the Optima Hybrid boasts two enticing special offers for drivers interested in a fuel-efficient midsize sedan. For qualified shoppers looking to finance, Kia is offering the Optima with 0.9 percent interest for up to 60 months plus up to $1,000 cash back -- a deal that extends to 1.9 percent for up to 72 months for drivers who would rather have a lower payment. For buyers paying with cash, Kia is also offering up to $1,500 back on all 2014 Optima Hybrid models.

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Nissan Pathfinder Hybrid

The Nissan Pathfinder Hybrid is a 3-row crossover with V6 power and a surprisingly impressive fuel economy rating of 25 mpg city/28 mpg hwy. In July, the Pathfinder Hybrid is offered with three special incentives: a lease deal, a cash-back incentive and a finance offer. For shoppers looking to pay in full, Nissan is offering up to $2,000 cash back on all Pathfinder Hybrid models. For qualified drivers looking to lease, Nissan is touting payments from $409 per month for 36 months after $2,399 down up front. Shoppers interested in financing get the best deal; Nissan is touting 0 percent interest for up to 60 months on all Pathfinder Hybrid models -- an offer that includes up to $500 cash back.

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Nissan Leaf

The 5-door Nissan Leaf hatchback is the most popular fully electric vehicle on the market, and that's largely because Nissan continues to offer the small car with such great incentives and special offers. This month is no different. Nissan is touting three deals on the Leaf. For qualified drivers looking to finance, Nissan is offering 0 percent interest for up to 72 months and up to $3,500 cash back. Those paying with cash can also get the same $3,500 back. For the best deal, shoppers can lease a Leaf for 36 months with $1,999 down at lease signing and payments from $199 per month.

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Toyota Prius c

The 2014 Toyota Prius c is a small hatchback that offers the best gas mileage of any non-plug-in vehicle at 53 mpg city/46 mpg hwy. In July, the Prius c also offers two excellent incentives for shoppers interested in a fuel-efficient new city car. For qualified drivers looking to finance, Toyota is offering 0 percent interest for up to 36 months on all Prius c models. For those who would rather lease, Toyota is touting a 36-month term with payments from $179 per month after $2,578 down at lease signing. Both deals make it less expensive than ever to save money with Toyota's smallest Prius family member.

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What it means to you: Our list of green car deals proves that you don't have to spend big money to save on gas.

author photo

Doug DeMuro has a wide range of automotive industry experience, from work at a Ferrari dealership to a manager for Porsche North America. A lifelong car enthusiast, Doug's eclectic vehicle purchases include a Porsche 911 Turbo, an E63 AMG wagon, an old Range Rover and a Mercedes Benz G-wagen.

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