By Luc Olinga Tesla’s CEO is the salesperson of all his companies, but he still has not managed to sell a product presented as revolutionary. It’s difficult when you’re the best salesperson on the planet to find yourself in a situation where you can’t sell a product you believe in. You may boast of its merits, explain that this product is revolutionary and that it will change the daily life of humanity, but no one, apart from you of course, pays attention to it. The worst is if you are the one who managed to convince consumers that the world has to abandon gasoline cars and diesel vehicles, be…