Photo of the logo for Chevron on the floor of the New York Stock Exchange

Chevron Will Write Down Assets by at Least $10 Billion

SAN RAMON — Chevron Corp. said Tuesday it will book a charge of at least $10 billion because lower long-term prices for oil and natural gas will reduce the value of its assets. More than half the write-down is related to gas drilling operations in Appalachi...
Photo of the headquarters of the Environmental Protection Agency

California Promises Fight to Keep Auto Emission Authority

SACRAMENTO — Preparing for a lengthy legal battle with the Trump administration about how much pollution to allow from cars, California regulators on Thursday said they were considering cracking down on other emissions to make up for any impacts on air quality...

Crushing Tractors Is Fun. Breathing Clean Air Is Even Better.

The San Joaquin Valley Air Pollution Control District received $108 million from the state Legislature earlier this year to reduce agriculture industry emissions. The program is dubbed FARMER and it provides incentives for replacing old, high-polluting trac...