Over the past decade, they reason, vehicles have become better built and far more complex, with dozens of computers interacting on board and millions of lines of computer code. The most progressive auto shops and franchises are already immersed in tech, using iPads, laptops and Google Hangouts to streamline work and keep up with a rapidly changing industry. Businesses that have already begun retraining their employees, they reason, should be able to make the shift to electric. There will always be some work, they say, because tires can last only so many miles, shock absorbers and struts have only so many movements of life in them — and even Tesla batteries don't last forever.