Honda defied conventional wisdom by announcing that its new Compound Vortex Controlled Combustion (CVCC) engine could exceed the standard without a catalytic converter or unleaded fuel.

• 本田无视传统智慧宣布，其新的复合涡流控制燃烧（CVCC）引擎可能超过标准没有催化转换器或无铅汽油。