ClimateBiz: New vehicle emissions rules for the European Union stalled after the governments couldn’t agree on penalties for carmakers who miss their CO2 targets. Envoys of the 27 EU member states appeared to agree in principle on cutting emissions by roughly 18 percent for partial fleets in 2012 and and reaching full compliance by 2015. The bloc’s overarching goal involves cutting CO2 emissions to 95 grams per kilometer by 2020. But the talks stalled on the issue of penalties for …