• CERAWEEK
  • March 10 - 14, 2025

John LaRese

ExxonMobil Marine Fuels & Lubricants

Marine Fuels Venture Advisor

John LaRese, Marine Fuels Venture Advisor, ExxonMobil Marine Fuels and Lubricants, has been with ExxonMobil for over 40 years. Most of his career was spent on board affiliate Tankers as a Chief Engineer, sailing onboard very large crude carriers (VLCCs), Product, and Chemical Tankers. Since coming onshore, Mr. LaRese has had several other assignments, such as an Energy Conservation Specialist, Contract Negotiator, Ships Superintendent, Fleet Operations Support Manager, Auditor, and Trainer of senior officers specializing in vessel management and safety. Mr. LaRese has been ExxonMobil’s Marine Fuels Technical Manager since 2009. A large portion of his current focus is on the development of 0.50% Sulphur Compliant Marine Fuels. Mr. LaRese holds a BS from Maine Maritime Academy.


Sessions With John LaRese

Tuesday, 10 March

  • 11:30am - 12:30pm (CST) / -

    IMO: From sulfur limits to carbon limits

    Downstream, Midstream & Chemicals

    Accommodating the recent International Maritime Organization (IMO)-mandated changes to sulfur regulations has tested the ability of both the shipping and refining industries to remodel operations on a very tight deadline, with knock-on effects impacting supply/demand balances worldwide. Just over two months into the low-sulfur bunker era, and only ten days after the carriage ban, the maritime and fuel supply industries are adjusting to this new reality. How has the transition gone so far, and what is expected this year and next? What are the key lessons from the IMO sulfur specification changes—for both refining and shipping? Once the sulfur cap is digested, shipping cannot sit still and needs to move on to its main course, decarbonization. The challenge of simultaneously meeting growing energy demand and reducing GHG emissions has created the platform for a radical energy transition. What is the route to 2050?