As manufacturers search for new ways in which they can make their cars more economical, drivers are reaping the rewards. Stop Start technology means that your engine cuts out when not needed, resulting in better fuel economy and a greater saving!
To see if it really works, seven Stop Start cars were put through their paces during the heavy morning rush-hour.
For more breaking car news and reviews, subscribe to Auto Express magazine. We'll give you six issues for £1 and a free toolkit!