Benjamin Chia Yit Loong was interested in climate change and environmental issues, and wished to make SUV ownership unattractive, the court heard. SINGAPORE: A National University of Singapore (NUS) student inserted green beans into the tyre valves of seven cars to deflate them , as he wanted to make ownership of sports utility vehicles (SUVs) unattractive. Benjamin Chia Yit Loong, a 24-year-old Singaporean, was fined S$3,000 (US$2,300) by a court on Thursday (Nov 6) for one count of mischief.