Lorinser debuts 2014 Mercedes-Benz S-class

Brabus and AMG aren't the only tuning houses fielding their own versions of Mercedes-Benz cars, and during this week's Essen Motor Show German tuning house Lorinser unveiled their version of the new W222 Mercedes-Benz S-class. Lorinser has been tuning Mercedes-Benz automobiles since 1976 (and they've been selling them for more than 80 years), though their tuned cars not often seen on our shores. But Lorinser's upgrades to the S-class cars of the last 20 years have been well received in Europe.

Musk improves Tesla Model S and battery service

Tesla is making changes to the Model S sedan's battery warranty and service contract. Company CEO Elon Musk detailed the changes to reporters on Friday via a conference call and Web press conference. First, the company is building a fleet of top-of-the-line Model S loaners for their customers.

Nissan Leaf tours the country

Those who haven't made it to the dealership to test drive a Nissan Leaf can get behind the wheel of the electric car when the carmaker swings through towns across the country on its Drive Electric tour. Started on July 8 in Long Island, the tour is visiting 26 cities from Indianapolis to Austin, Texas. Attendees will learn about driving and owning a Leaf, how the car compares with other vehicles, its fuel efficiency and environmental impact, and how to communicate with the car via phone or computer.