New, Clean Technology

We’re embracing clean fuel and engine technologies as they become available, using our fleet as a testing ground to help promising new alternatives prove their viability in the marketplace.


Car manufacturers, scientists, national leaders and consumers are all seeking better alternatives to petrol-powered cars. It's an evolution driven by many factors, including environmental and economic concerns, the finite nature of fossil fuels and the need to reduce dependency on foreign oil. Our company owns and operates the world's largest fleet of passenger vehicles. So Enterprise has a unique perspective, and a vested interest, in identifying the right solution.


For us, two points are clear: alternative-powered vehicles will become a fixture in the marketplace and alternative-powered technology must realistically satisfy the driving requirements of the American public in order to be successful and sustainable in the marketplace. These key insights guide our experimentation and initiatives. Because meeting the mobility needs of our customers is our primary focus.

The Enterprise Institute for Renewable Fuels

Since 2006, our owners, the Taylor family, have given $35 million to the Donald Danforth Plant Science Center and its Enterprise Rent-A-Car Institute for Renewable Fuels. The team focuses on using algae to produce "third-generation" biofuels that someday could be used on a large scale to power cars, trucks and aircraft. This complements the larger body of research underway, which includes working on creating renewable fuels from soybeans, camelina and other plant sources. The Enterprise Holdings Foundation has also created a $2 million endowment for sustainable energy research at the University of Missouri. Established in 2013, the endowment provides essential funding to help researchers take the next steps toward a prototype bio-processing facility to produce renewable fuel.

Cleaner-Running Shuttle Buses

In our airport operations, we were the first major player in our industry to shift our fleet of airport shuttle buses to 5 percent biodiesel (B5). By 2015, 98% of our shuttle buses will run on cleaner fuel.

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