44 Energy is a consulting and technology development company.

We are focused on the effective use of energy resources to generate economic and environmental benefits.


Real-world vehicle and engine emissions, fuel economy testing and more.


Engineering consulting focused on advanced transportation and powertrain technologies.

Expert Witness

Experts on emissions, fuel economy, product defect, and regulatory compliance in the US, Canada, Australia, and Europe.


Support services from advocacy and program/funding development to compliance, testing, and certification.

Startup Advisory

Our team brings decades of experience commercializing products in startup and OEM environments.