expert, dave skaien of aaa for secret short cuts to save them big bucks. i m dave. nice to meet you. reporter: dave s tip one, optimize driving habits with gadgets like automatic, bluetooth to your smart phone tracks your driving technique and chirps when you brake hard or accelerate, burning fuel and money. go 70 miles an hour it will play a sound. i m in big trouble. reporter: even logging how much you spend every time you drive so you can better budget. it s costing me $15 a day to take my kids to school and then pick them up later. reporter: automatic estimates their device can save as much as 30% on fuel costs. tip two, battle traffic with apps like ways or google maps that tells you just how fast or slow traffic is moving so you can avoid the jam. and while you are at it try nod to idle in general. just ten minutes can cost as much as driving five miles. shut the car off whenever safe to do so. reporter: and tip number three, pay cash. some gas stations charge l
the car. so we brought in transportation expert, dave skaien of triple a for secret short cuts to save them big bucks. i m dave. nice to meet you. reporter: dave s tip one, optimize driving habits with gadgets like automatic, bluetooth to your smart phone tracks your driving technique and chirps when you brake hard or accelerate, burning fuel and money. go 70 miles an hour it will play a sound. i m in big trouble. reporter: even logging how much you spend every time you drive so you can better budget. it s costing me $15 a day to take my kids to school and then pick them up later. reporter: automatic estimates their device can save as much as 30% on fuel costs. tip two, battle traffic with apps like ways or google maps how fast or slow traffic is moving so you can avoid the jam. while you are at it. try not to idle in general. just ten minutes can cost as much as driving five miles. shut the car off whenever safe to do so. reporter: and tip number three, pay cash. som