A new study challenges the longstanding view that biofuels are carbon-neutral, and asserts that in the U.S. to date, they have done more harm to the climate than gasoline.
Trump is following in Ronald Reagan's footsteps by pushing against regulations, but in the 1980s, it only awakened the public to environmental concerns.
Many people thought U.S. gasoline consumption had already peaked. They were wrong. What happened?
Presidential candidates need to talk more about energy and address a tough question: what does the government do well on energy policy and what it should stay out of?
A fight's breaking out over who should pay subsidies for corn ethanol, and it is consumers who may end up paying for any changes.
How bad are things for U.S. coal? Very bad, but that's very good for environment. Now the question is whether other countries will cut back on coal as well.
A former state regulator and member of the U.S. Nuclear Regulatory Commission argues that subsidizing reactors to keep them running is unnecessary and will be bad for consumers and the environment.
A nuclear engineer makes the case that nuclear power plants are important resources and should receive economic rewards for providing steady supplies of carbon-free electricity.
The anti-nuclear movement in the U.S. is at a critical juncture as worries over climate change grow.
Can nuclear power plants like California Diablo Canyon be replaced without greatly raising emissions? It's an open question.
Women are underrepresented in the energy sector at a time of rapid change and demand for new talent. Hiring more women could make energy companies more innovative and speed the shift to clean fuels.
Making expanded fossil fuel production the core of U.S. energy policy, as proposed by Donald Trump, and backing out of climate agreements would cost the U.S. economy billions and transform the planet.
The boom in oil and gas development has brought new revenues to many communities in the U.S., but rural areas in particular have struggled to handle the rapid downturn in prices.
It's not just energy-hungry pot farms: the ties between energy and drugs run deep. Can we develop a national drug policy drawing on the lessons of the domestic oil and gas boom?
The next president will have little power to slow the growth of renewable energy, sliding oil prices or coal's decline.
The U.S. energy system is gradually transitioning away from fossil fuels and toward renewables. Will the next president speed up America's shift to renewable energy or step on the brakes?
Even before the death of Justice Antonin Scalia, the Supreme Court’s stay placed the fate of the EPA Clean Power Plan into the hands of the next president.
By halting Obama's cornerstone climate policy before considering its legality, the Supreme Court could further tarnish its partisan reputation.
Obama's proposal to add $10 tax to crude oil raises the thorny question of whether the U.S. can continue to fund its highway infrastructure with a fuel tax that hasn't changed since 1993.
Ted Cruz opposes subsidies for biofuels and still managed to win in ethanol-friendly Iowa. Is corn ethanol starting to lose its political clout?