Back in 2007, the average C02 exhaust emissions from the New Zealand passenger car fleet was 220.2 grams per kilometer and Helen Clark’s government was talking about a law limiting it to 170gr/km by 2015. Later, the incoming National government ditched Labour’s plan, believing the benefits would have been outweighed by the cost to motorists, and knowing the motoring industry … [Read more...] about Mazda3: greener, cleaner and meaner on fuel