GIVE YOUR CAR A BREAK
Idea 36. Check your car's tyre pressure to make sure your tyres are sufficiently inflated. This will not only save you petrol, but it will also help prevent unnecessary tyre wear.
Idea 38. Share a lift to work or school. Find out who is going your way from http://www.carshare.com/
Idea 40. Send your kids on a cycling proficiency course. Here's an example of what's available in the Bristol area.