The Time Value of Carbon: OEMs and Fleets Tackle the GHG Challenge 

Feb 7, 2:45 — 4:00 PM CST

When it comes to the challenges of transportation emissions and climate change, Original Equipment Manufacturers and fleets are on the first line of defense. With the clock ticking on aggressive new vehicle emissions standards and climate policy goals, considering the “time value of carbon” reductions is key, and the next decade is critical. Hear from an all-star lineup of OEMs, fleets and industry experts to get a sneak peek inside their playbook of options, and how higher blends of high-quality biodiesel and renewable diesel fit into their gameplan.

Then be sure to join us for a stellar post-game show at the Clean Fuels Vehicle Showcase and Happy Hour event at the historic Ashton Depot!


Mark Jamieson

Business Development Director
Cummins Alternative Technologies

Mark Jamieson is a key leader at Cummins on the company’s approach to Destination Zero, its strategy to go further, faster to reduce the greenhouse gas (GHG) and air quality impacts of its products and reach net-zero emissions by 2050. Jamieson is focused on Cummins’ alternate technologies, considering all low carbon fuel paths for Cummins’ products including biodiesel, renewable diesel, natural gas and hydrogen internal combustion engines as well as battery electric and fuel cell electric vehicles.  Mark leverages his experience having worked in both Cummins Accelera and Engine businesses, partnering with both OEMs and fleets to help them leverage Cummins’ broad product range and capabilities for their success.

Mark joined Cummins in 2005 in its Turbocharger component business in the United Kingdom and has held a broad range of roles in account management and business development. His experience has equipped him with a unique global perspective, with his latest roles focused on establishing the next generation of products in North America, as well as looking to future opportunities as alternative power adoption rates increase.

Ivan Tate

Head of Product Engineering – FPT North America

Ivan Tate serves as Head of Product Engineering for FPT North America and has over 21 years of vehicle and powertrain integration experience. He earned a B-Eng from the University of Birmingham (UK) and was a Chartered Engineer with the Institute of Engineering and Technology. After graduating, Ivan began his career at Massey Ferguson in the UK as an Electrical Design Engineer. He moved to Italy in 2006 and later joined FPT in Turin in 2011 as an Integration Engineer on the then-new Tier4B/Final projects. After 2 years in Turin, Ivan relocated to Chicago as Manager of the Integration Team supporting projects for the first launches of the new technology. He also took on Platform and Quality roles within FPT and then returned to Engineering to lead the team within the region responsible for Engineering, Driveline, Application and Testing.

Venu Gupta

Engine Product Strategy Planner
John Deere Power Systems

Venu leads Engine Product Strategy and Power Solutions planning for John Deere. Responsibilities include assessing sustainability technology options, their readiness and developing implementation strategies into Deere products. Venu has over 22 years of experience working with medium and heavy-duty diesel engines for on/off-highway applications. He worked in various roles through his career in Engineering, Program Management and Product Management. In his last role as a Director of Product Management, he led the development of decarbonization solutions for heavy haul rail applications. Venu is a graduate of University of Akron with an M.S. in Mechanical Engineering.

Keith Kerman

Chief Fleet Officer, Deputy Commissioner
DCAS - City of New York, NY

Keith Kerman is a Deputy Commissioner at the Department of Citywide Administrative Services (DCAS) and NYC’s first Chief Fleet Officer, serving 50 agencies including NYPD, FDNY and DSNY.  NYC’s fleet is 28,500 units, $1+ billion in annual expenditure, and 1,800 staff.  NYC Fleet is a national leader in biofuel and EV adoption, charging, telematics, fleet safety through Vision Zero, and shared services.

Keith is a permanent civil servant in his 30th year including 17 with NYC Parks managing Citywide Operations. Keith has now served in senior roles under four NYC Mayors.

In February 2011, while at NYC Parks, Keith received the national Biodiesel Influence Award. More recently, in 2019 Keith received the Sloan Public Service Award from the Fund for the City of NY. This award is often referred to as the Nobel Prize of NY Public Service. In 2021, Keith received a national Climate Leadership Award from the Climate Registry, C2ES, and Bloomberg Philanthropies. In 2022, Keith received a Legendary Lifetime Achievement Award from Government Fleet Magazine. Keith has been named to City & State’s NY Transportation 100 list in both 2022 and 2023.

Mahanth Joishy

Superintendent, City of Madison Fleet
City of Madison, WI Fleet

Mahanth S. Joishy joined City of Madison as Fleet Superintendent in 2017 after 16 years working in New York City government operations. He worked for NYC Parks & Recreation for 11 years managing vehicle repair, recycling, waste collection, and volunteer programs, and drafting the first-ever parks field manual, among other tasks. In 2012 he began overseeing the safety program for all NYC departments using the 30,000-vehicle fleet, and he helped manage preparations and response to Hurricane Sandy, which struck the east coast that same year.

In Madison, Mahanth is focused on making the City fleet the greenest, safest, and most cost efficient possible in coordination with his colleagues in every department. Madison Fleet has newly launched aggressive programs to purchase biodiesel, EVs, hybrid police cars, anti-idling technology, soy-based tires, telematics, and other efforts. Madison Fleet is also involved in vehicle safety initiatives for Mayor Satya Rhodes-Conway’s Vision Zero plan.


Steve Howell

Senior Technical Advisor for Clean Fuels Alliance America
M4 Consulting

Steve Howell is a principle in M4 Consulting, a firm dedicated to the development of industrial products from agriculture. Howell currently serves as the Chair of the ASTM Biodiesel Task Force for biodiesel standards, a position he has held since 1994. He currently serves as the Senior Technical Advisor for Clean Fuels Alliance America, working closely with Technical Director Scott Fenwick. Howell is the only person who has ever been selected as a Fellow of both ASTM International and the American Oil Chemist Society.

Jennifer Weaver

OEM Market Development Manager for Clean Fuels Alliance America
JenMotion Marketing

Jennifer Weaver serves as the OEM Market Development Manager for Clean Fuels Alliance America. In this capacity, Jennifer has worked for the past 21 years as a liaison between the biodiesel and renewable diesel industry and the major auto, engine, and equipment manufacturers.  Her core responsibilities include educating those companies – as well as their suppliers, dealers, fleets, and other customers – on key technical advances in biodiesel and renewable diesel and guiding their efforts to support and promote the use of these clean fuels in their diesel engines and future diesel vehicle programs.

Jennifer has nearly 30 years’ experience in managing a wide variety of Public Relations, Marketing, Technical Education and Training Programs for various clients in the Automotive and Alternative Fuels industries among others.  She earned a Bachelor of Business Administration degree in Marketing as well as an MBA from Miami University in Oxford, Ohio.

Room: Conference Central-Omni Texas Ballroom