text:  If you drive a big rig, you know that if your wheels keep turning, you keep earning. That's why Shell Rotella, with advanced synthetic technology, is designed to help keep your rig running and save you money in the long run. 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 attractions. Cows, cornfields, cows in cornfields. It's lovely this time of year.