pre-tax

The UN climate talks going on in Durban aren't likely to lead to any major breakthroughs, but it would be nice if the US could at least avoid backsliding on the better-than-nothing steps it's taken on emissions. One important step for controlling emissions is ensuring the availability of affordable public transportation. Congress has helped make public transit more affordable for workers for the past three years by temporarily raising the limit on the monthly amount of pretax salary that can be set aside for transit. The problem is that limit, currently set at $230 per month, is set to drop…