Hybrid vehicles and electric vehicles

1- What is the difference between hybrid vehicles and electric vehicles? 2 - Why did Toyota decide to bet on hybrid vehicles before going for an electric car? What do you think of its strategy choice? 3 - What were the major risks Toyota faced when it decided to launch the Prius project? What sort of competitive advantage was it betting on? 4 - What was Mobileye’s business strategy in developing driverless cars? 5 - Driverless cars are experiencing even more entry (Uber, Tesla, etc.; also Intel that recently acquired Mobileye). How do you expect the driverless car industry to evolve? 6 - What do you think of Tesla’s entry strategy? What barriers did it have to overcome? Should Nissan learn something from Tesla’s approach? Will other firms follow in Tesla’s footsteps? 7 -How do you expect the industry to evolve?