… to use more alternative, post-fossil fuels to reduce greenhouse gas emissions, in addition to increasing energy efficiency and offsetting growth-related CO 2 …

… traffic used to be the main emission source. Lead compounds were used as anti-knock additives in petrol. Car exhausts lead to an immense environmental pollution. Even … traffic used to be the main emission source. Lead compounds were used as anti-knock additives in petrol. Car exhausts lead to an immense environmental pollution. Even …