China Business News reported that BYD Auto plans to release five new car models in 2010 and to sell 800,000 cars during the year, up from 400,000 units in 2009. As per report BYD Auto plans to release five new car models in 2010 and to sell 800,000 cars during the year, up from 400,000 units in 2009. According to Mr Paul Lin manager of the company's marketing department said that the new sales target is…