Manufacturers in Japan offer motorcyclists opportunities for further training, where they learn about engine maintenance, thereby reducing pollution, as well as driving safety.
在日本，機車業者專門成立機車騎士再訓練的道路安全訓練，除了學習安全駕駛、如何保護自己，也學習如何保養機車、減少油耗…… 等常識，如此減去不少汙染。