He cautioned that the light activates when the tank has already reached perilously low levels, typically with merely 10 to 15 ...

Los Angeles — In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city's street lamps with light ...

That would mandate 100% all-electric light duty and passenger car vehicles sales in the United States, ... but because it could offer a reduction in natural gas consumption, ...

Three oil sites in the Permian Basin have just been internationally recognized for their commitment of using responsible lighting practices to protect the skies from excessive light pollution.