Save gas by avoiding drive through lines at restaurants & coffee shops. Instead park your vehicle, go inside, and to order your food & drink.
In many cases, this is the fastest way anyway. Think about how many times you have gone inside and came back out only to see people were still waiting in line idling.
For more gas saving tips check out 20 Under $5 Tips to Improve Your Cars Gas Mileage.
and also it will be healthier too. I read once the average person only walks a few hundred yards a day, so small things like this will help increase that!
Excellent and complete article, congrats.