The average on-highway price of diesel in California was $7.219 a gallon on March 30, a 44.7% increase compared with $4.99 a gallon on March 2.
April 2, 2026California News Updates
Get the latest California trucking news from Transport Topics, covering the policies and market developments affecting freight movement across the state. This category follows emissions regulations, port activity, labor, infrastructure, zero-emission vehicles and fleet operations. Reporting explains how California's transportation decisions influence carriers, shippers and supply chains throughout the state and across North America.
Chevron Warns California Risks Fuel Crisis Unless War Eases
California is highly exposed to the disruption rippling across commodity markets because it imports about 20% of its refined fuels from Asia.
March 25, 2026Diesel in California Reaches Highest Price Ever Recorded
The average cost for a gallon of diesel in California rose to the highest level ever as the war in Iran disrupts global energy shipments.
March 25, 2026Truck Parking Developer Outpost Adds 5 Locations
The company’s first property in the northeastern U.S. is in Newark, N.J. Four more properties were added in Miami and California, Outpost said March 19.
March 23, 2026Trump Administration Sues California Over Emissions Rules
Democratic Gov. Gavin Newsom’s office blasted the lawsuit, noting it comes as gas prices climb amid the Iran war and as some drivers consider going electric.
March 13, 2026California Tanker Truck Route Replaces Idle Pipeline
Oil drillers in California have resorted to the costly alternative of trucking crude barrels 50 miles after the closure of a refinery and idling of a key pipeline cut off outlets for their products.
March 12, 2026Trump Backs Calif. Offshore Oil Plan Amid Fuel Price Spike
President Trump is preparing to invoke Cold War-era powers to pave the way for renewed oil production off the Southern California coast, a long-shot bid to help ease the global crude crunch.
March 11, 2026Harbinger Adds Low‑Cab‑Forward Truck to Medium‑Duty Line
Garden Grove, Calif.-based chassis and truck manufacturer Harbinger said the truck would be available as both a battery-electric vehicle and a plug-in hybrid model.
March 11, 2026More Than 20 States Challenge Trump's New Tariffs
The Democratic attorneys general and governors in the lawsuit argue that Trump is overstepping his power with planned 15% tariffs on much of the world.
March 5, 2026Kenworth Unveils C580 Heavy-Haul Tractor to Replace C500
Kenworth introduced the C580 heavy-haul truck to replace the C500, pairing a proven severe-duty chassis with a new cab. The Paccar unit has set production to begin in January 2027.
March 3, 2026