Union of Concerned Scientists

JUNE 17, 2025

These locomotives are powered by a diesel engine connected to an electric generator. That electricity is then used to power traction motors that drive the wheels. This is particularly important when it comes to diesel-powered locomotives, which pull 100 percent of all freight rail in the U.S.

Regulations

Enviromental Defense

MAY 29, 2024

The Portlands gas plant was built in 2008 and was designed as a peaker gas plant, meaning that it would only operate a few hours per month when electricity demand was high. The IESO should switch to renewable sources of electricity and plan to phase out the Portlands gas plant as soon as possible.

Nitrogen Oxides

Union of Concerned Scientists

MAY 12, 2022

Nearly all of the alliance members have a renewable electricity standard (RES), which requires utilities in their jurisdiction to increase their use of renewable energy to a particular percentage by a specific year. Under the no-new-policy scenario, sulfur dioxide and nitrogen oxides decline only by 27 percent and 18 percent, respectively.

Electricity

Edouard Stenger

NOVEMBER 30, 2018

Both the United States and the European Union electricity generations have 25-30% coal (historically much higher, hence its title of King), natural gas 35%, nuclear 20-25% and renewables make up 15% on both markets. Yet, coal account for two-thirds of the carbon emissions of electricity generation in both regions. Current situation.

Carbon Dioxide