The logo of Mazda Motor is seen on a steering wheel of the company's new open-top sports car "Roadster", also known as "MX-5" in overseas markets, in Tokyo May 20, 2015. The lightweight two-seater, equipped with Mazda's newly-developed direct injection SKYACTIV-G 1.5-liter engine, will go on sale on public throughout Japan from May 21, 2015. REUTERS/Issei Kato