Vehicles produce CO2 when they use fuel. The amount of CO2 produced is directly linked to how much fuel it consumes. Excess levels of CO2 can be harmful to humans and the environment.

The Toyota Aygo X offers thrifty everyday motoring and is packed with safety tech. It's good to drive, too – although there are more practical alternatives. Stick with the standard manual ...

The Toyota Aygo X is more refined and grown-up feeling than the old Aygo, but it hasn't completely lost its sense of fun. It could do with a more powerful engine option, though. Engines range from 1.0 ...

The Toyota Aygo X offers thrifty everyday motoring and ... 18in alloy wheels, climate control, automatic wipers and rear privacy glass to everything you get with entry-level Pure.

Vehicles produce CO2 when they use fuel. The amount of CO2 produced is directly linked to how much fuel it consumes. Excess levels of CO2 can be harmful to humans and the environment.