R ushing to the airport to catch my mid-trimester flight back to the Bay, I was faced with several taxi cab options. Kiwi Cabs, Amalgamated, Harbour City and Combined, “New Zealand’s first carbon neutral certified cab”. As a wannabe greenie, my choice was easy. En route, I asked the guy behind the wheel why Combined took the carbon neutral plunge. “All the taxi companies will have to do it sooner or later”, he said. “Whole lot cheaper for us to do it now. Plus we’ll get to build up a reputatio