The Ford Prodigy was a low emission vehicle

Low emission vehicle

A low-emission vehicle is a motor vehicle that emits relatively low levels of motor vehicle emissions. The term may be used in a general sense, but in some countries it is defined in air quality statues....

 72 mpg-US (3.3 L/100 km; 86 mpg-imp) diesel-hybrid concept car

Concept car

A concept vehicle or show vehicle is a car made to showcase new styling and or new technology. They are often shown at motor shows to gauge customer reaction to new and radical designs which may or may not have a chance of being produced....

 launched in 2000 and aimed at establishing U.S. leadership in the development of extremely fuel-efficient (up to 80 miles per US gallon) vehicles while retaining the features that make them marketable and affordable. It was introduced at the North American International Auto Show, as part of the Partnership for a New Generation of Vehicles

Partnership for a New Generation of Vehicles

The ' was a cooperative research program between the U.S. government and major auto corporations, aimed at bringing extremely fuel-efficient vehicles to market by 2003...

with the rest of the 'Big Three' automobile manufacturers and the US Government.