news release

chevron oronite receives its first dexos1™ gen 3 approval from general motors

SAN RAMON, Calif., July 20, 2021 – Chevron Oronite has achieved an important milestone by receiving its first dexos1™ Gen 3 approval from General Motors (GM) for their additive technology based on its OLOA 55516 and OLOA 55600 series.


“Oronite has a proven legacy in PCMO technology,” said Teri Crosby, vice-president, Global Technology, Chevron Oronite. “Our OLOA 55516 and OLOA 55600 series is ready to deliver the latest dexos1 performance requirements while simultaneously meeting ILSAC GF-6 standards.”


Designed to meet GM vehicles' performance needs, the new specification includes a more recent version of the stochastic pre-ignition (SPI) test, fuel economy test, and upgraded performance limits for deposit and sludge tests. Oronite has conducted extensive testing on existing and new formulations delivering on the company’s latest passenger car motor oil (PCMO) technology.


“We are fully committed to delivering innovative solutions globally to meet performance needs of current and new engine hardware technologies. With this dexos1 Gen 3 approval, we are pleased to meet GM’s engine oil needs for their next generation gasoline powered hardware,” said Laurent Jumelle, global product line manager, Automotive Engine Oils, Viscosity Modifiers, and Small Engines, Chevron Oronite.


Current dexos1 Gen 2 licenses will expire by September 1, 2022. Oronite is happy to discuss licensing and transition needs with oil marketers to ensure readiness when delivering our innovative technology at the desired time. Oronite will be working with its customers throughout 2021 and beyond to assist them with their dexos1 Gen 3 product upgrade needs using the OLOA 55516 and OLOA 55600 series additive technology.


For more information on Oronite’s readiness for dexos1 Gen 3 specification, customers can contact their local Oronite representative or visit

About Chevron Oronite

Chevron Oronite is a leading developer, manufacturer and marketer of fuel and lubricant additives, helping provide solutions to customers globally. Headquartered in San Ramon, California (USA), Chevron Oronite maintains regional offices in Houston (Americas Region), Paris (Europe-Africa-Middle East Region), and Singapore (Asia-Pacific Region); operates manufacturing sites in Belle Chasse, Louisiana (USA), Gonfreville (France), Singapore, and Mauá (Brazil); an affiliated blending and shipping plant in Omaezaki, Japan; technology centers in the USA, France, the Netherlands, Japan and China and has interests in additive companies operating in other locations, including India.


Chevron Oronite is comprised of numerous affiliates that are indirect, wholly-owned subsidiaries of Chevron Corporation. For simplicity in this news release, the terms “Chevron Oronite” and/or “Oronite” are used as abbreviated references to Chevron Corporation affiliates that are part of the Chevron Oronite business unit. Nothing in this document is intended to override or supersede the corporate separateness of these entities.

About Chevron

Chevron is one of the world’s leading integrated energy companies. We believe affordable, reliable and ever-cleaner energy is essential to achieving a more prosperous and sustainable world. Chevron produces crude oil and natural gas; manufactures transportation fuels, lubricants, petrochemicals and additives; and develops technologies that enhance our business and the industry. To advance a lower-carbon future, we are focused on cost efficiently lowering our carbon intensity, increasing renewables and offsets in support of our business, and investing in low-carbon technologies that enable commercial solutions.