For the emission standards to deliver actual emission reductions it is crucial to use a test cycle that reflects real - world driving conditions. (en.wikipedia.org)
A very low allowance price for carbon will result in very little actual emissions reductions. (globalwarming.org)
Brazil has put up actual emissions reductions of 36 to 39 percent below 1994 levels by 2020, if it gets financial help. (csmonitor.com)