 If you drive a big rig, you know that more time on the road means more money in your pocket. Shell Rotella, with advanced synthetic technology, is designed to help keep your rig running and save you money in the long run. Trade up to Shell Rotella and you'll get superior protection against engine wear. That means less time in the shop and more time on the road. It also means you'll get more chances to see North America's finest roadside attraction. Cows, cornfields, cows in cornfields.