April 21 (Reuters) -
* Japanese carmaker Toyota says needs to boost sales of hybrid cars in China by 2020 to meet the country's stringent fuel economy requirements
* Hiroji Onishi, senior managing officer, says Toyota needs 30 percent of its cars sold in China to be hybrid cars by 2020
* Toyota exec says in talks with chinese partner FAW Group about expanding capacity
* Onishi speaking at auto show in Shanghai Further company coverage: (Reporting By Norihiko Shirouzu)