He notes that cars have a functional life of ten to 15 years, and replacing them will not only require overcoming vigorous resistance from automobile manufacturers, but addressing issues related to protectionist tariffs and the legislative regimes of individual nations. Even if we began pushing hybrids immediately, it would take 20-30 years to realize the WBCSD's objective.
「問題是，來得及嗎？」黃正忠分析，以新款汽車從進入市場到淘汰，整個歷程約需 10 ∼ 15 年計，期間不僅要面臨汽車產業的強力抗拒，還涉及各國高低不等的保護性關稅、寬緊不一的法規等，即便現在就推動，也至少得花二、三十年。