Former state Rep. Wayne Christian, R-Center, a candidate for the Texas Railroad Commission, introduces himself in a new ad. 

Mexico's secretary of the economy on tax reforms in his country, changes that would allow private investment in Mexico's state-owned oil monopoly and his government's thoughts on immigration reform in the United States. 

Steve Brown, a former legislative aide and past chairman of the Fort Bend County Democrats, is the first Democrat to enter the race for railroad commissioner. 

Hey, Texplainer: There are discussions that Texas might transform its energy market, shifting from “energy only” to a “capacity” market. What does that mean, and why does it matter?   

Hey, Texplainer: How do state officials make sure the electricity stays on during the many long, hot days of the Texas summer?

UPDATED: The North Texas city of Denton has dropped its request for a restraining order against a local driller, according to court records.

Developers expect to soon flip the switch on the final electrical transmission projects built under a nearly $7 billion effort to connect Texas' windiest, mostly secluded regions to communities that demand more power.

Texans are growing more satisfied with their electricity providers, but they still complain far more than they did before the state deregulated its power market, according to a new report.

A diverse coalition is racing to institute a plan to increase energy and water efficiency upgrades that supporters say could help Texas improve its conservation record. 

Austin is among the large U.S. cities doing the most to conserve energy, according to a study released Tuesday by a national group that promotes energy efficiency. 

In energy-guzzling Texas, a group of environmental advocates and business leaders is calling a for new statewide energy building code.

In Texas oilfields, thieves are targeting batteries that power pipeline monitors, saddling drillers with big replacement costs and stalling production. Some fear the temptation to steal will only swell as production expands. 

Oil and gas representatives, along with academics, gathered in Laredo this week to discuss the economic benefits of the drilling boom in the Eagle Ford Shale. But concerns over the environmental impact of the boom persist.

As the ozone rating in San Antonio continues its slow upward march, area officials are beginning to investigate whether oil and gas drilling in the Eagle Ford Shale has anything to do with it. But their efforts are fraught with complications. 

Barry Smitherman, the chairman of the Railroad Commission and former chairman of the Public Utility Commission, has earned praise as a smart and competent regulator. But he is also ambitious, and speculation is rife that he will make a bid for attorney general.

Abandoned oilfield equipment is a common problem in Texas, but some fear that the recent surge in hydraulic fracturing will set off worrisome new encounters with old wells.

In Houston, air pollution worries usually are about ozone, but scientists are paying increasingly close attention to fine dust. It’s more dangerous than ozone, some say, and the EPA will soon decide whether Houston has too much.

Lawmakers raced to get several bills passed before the 83rd Legislature's regular session ended. And with Monday's announcement of a special session, their work isn't done. Here's a look at the deals reached and the measures that fell short in the regular session.