...The window of opportunity to replace our VW TDI with a new one that doesn't require urea is going to pass very soon...
In 12 months, to be exact. The 2013 VW models will use the 2.0L turbo diesel without urea injection. In 2014, VW will switch to a new turbodiesel with the same displacement, but with urea injection to help clean up the exhaust. The new engine will produce 280 ft-lb of torque, up from 236 in the current engine.
Car and Driver recently tested a 2013 turbo diesel Beetle that had a 6-speed manual transmission. They recorded 45 mpg, almost double the mpg returned by the Beetle's base 2.5L five cylinder gas engine.
http://www.caranddriver.com/reviews/2013-volkswagen-beetle-tdi-diesel-test-review