Data generated by travel modes can inform planners and regulators in improving the transportation system, but private mobility companies often restrict their access for concerns about privacy and competition.
It took less than a year for the EPA to finalize the Affordable Clean Energy rule, which will allow older coal-burning plants to continue operating, in the Trump administration's most consequential environmental rollback accomplished to date.
On Tuesday, EPA released its new rule to regulate emissions from existing power plants, essentially leaving it to the states to determine appropriate emissions levels rather than setting actual standards each state has to meet like the current rule.
Coal plants will retire faster than analysts had figured under the Clean Power Plan, which the Trump administration is repealing, yet the Department of Energy proposes to make building new coal plants a centerpiece of its energy policy.
States and cities are reacting to President Trump's withdrawal from the Paris Climate Agreement on Thursday. Three states formed the U.S. Climate Alliance; by Monday, it had grown to 13. Initially 30 mayors signed in support; it's now over 200.
On Tuesday, the Trump administration anticipates unraveling two signature Obama environmental regulations: fuel efficiency standards for model year 2022-2025 light-duty vehicles and beginning the undoing of the Clean Power Plan.
The first environmental regulation to be rescinded under President Trump was the Stream Protection Rule. It will not be the last. The president has his eyes on a rule that limits greenhouse gas emissions from existing power plants.
A controversial biomass amendment added to the Senate's energy bill would make the burning of wood for energy purposes a renewable source of energy. While the proposal has broad, bipartisan Congressional support, many groups oppose it.
Watching Wednesday's Democratic debate between Hillary Clinton and Sen. Bernie Sanders, I was startled to hear Clinton claim that Sanders said he would delay Obama's Clean Power Plan rule. PolitiFact investigated, though the result wasn't clear-cut.
Just over a year ago President Obama's draft Clean Power Plan was unveiled. That proposal has been finalized and the president promoted it at a press event on Monday. The final rule is both stronger and more lenient that the original proposal.