The head of electric car maker Tesla pushed back aggressively against claims that the company’s vehicles are a fire danger, saying that only 3 in 25,000 Teslas have caught fire and that those incidents were the result of high speed impacts.“It hurts to see articles that the car is unsafe… nothing could be further from truth,” said Elon Musk, noting that Teslas are five times less likely to catch fire than gas-powered cars, which produce hundreds of fire-related injuries every year.Musk spoke Tuesday afternoon at a Business Insider event in New York City, where he described future models of Tesla’s cars and shared insights about what led him to