Find carbon footprint:

Entities that are car:

Rover 25
Rover 400-series
Rover 45
Rover 75
Rover 75 Tourer
Rover Streetwise
Saab 9-3
Saab 9-3 Cabriolet
Saab 9-3 Coupe
Saab 9-3 Sport Estate
Saab 9-3 Sport Sedan
Saab 9-3X
Saab 9-4X
Saab 9-5
Saab 9-5 Estate