Drought, oil and gas production, fast lanes and toll lanes made headlines in 2012 in the Tribune. Here's a look back at the year's biggest stories on energy and the environment and transportation.

Energy and the environment 

Water rose toward the top of policymakers’ agenda in 2012, as severe drought returned to much of Texas. At the close of 2012, lawmakers were beginning to wrestle with how to provide funding for water infrastructure projects around the state, as environmentalists urged a greater push for conservation.

The oil and gas boom continued, fueled by high oil prices and expanding ...

Full Story