• Prior to 2005
    • Dr. Sam Weaver and Dan Hensley form partnership in 1972.
    • Four successful exits prior to 2005.
    • Specialized in material science, high-temperature thermochemical and energy systems.
  • 2005
    • Proton Power, Inc. is incorporated.
  • 2008
    • Development begins on first CHyP® pyrolysis unit.
  • 2009
    • Development is completed on first CHyP® unit for making hydrogen.
    • R&D begins on biomass-to-electricity system.
  • 2011
    • CHyP® unit is commissioned by University of Tennessee.
  • 2012
    • PPI leases fabrication plant.
    • R&D begins on biomass-to-synthetic fuels process.
  • 2013
    • Rockwood brownfield facility is purchased.
    • Biomass-to-electricity system is commissioned by Wampler’s Farm Sausage.
    • The “Christmas Miracle”– the direct conversion of biomass-to-diesel is achieved.
    • Laboratory facility is purchased.
    • R&D begins on Pro-C® biochar applications.
  • 2014
    • Rockwood biomass-to-diesel demo system is commissioned.
    • Bay Minette brownfield biomass-to-diesel facility is purchased.
  • 2015
    • R&D begins on developing graphene products from Pro-C® biochar.
  • 2016
    • PPI leases assembly facility.
  • 2017
    • Module 1 of the Rockwood biomass-to-diesel system is commissioned.
    • ProCnano® graphene first enters production.
    • PPI receives EPA 40 CFR Part 79 diesel fuel registration.
    • PPI receives IRS diesel fuel registration.
  • 2019
    • ProCene® graphene first enters production.
    • Biomass-to-biochar system is commissioned in Kentucky.
    • First successful production of diesel fuel from MSW pellets.
  • 2020
    • Module 2 of the Rockwood biomass-to-diesel system is commissioned.
    • R&D begins on developing batteries from PPI graphene.
  • 2021
    • Bay Minette biomass-to-diesel system is commissioned.
    • First prototype batteries are produced using PPI graphene.
  • 2022
    • Lithium batteries produced with PPI graphene achieve significant performance improvement compared to traditional lithium-ion batteries.
    • PPI graphene batteries surpass 1000 cycles of testing.
    • Testing of PPI graphene in asphalt by the University of Tennessee suggests a 2.5x increase in road life.
  • 2023
    • Biomass-to-diesel system is commissioned in Singapore.
    • PPI begins partnership with Faradyne Power Systems to produce energy storage systems using PPI graphenes.
    • PPI begins partnership with Low Carbon Emissions Technologies to develop turnkey MSW-to-diesel facilities.
    • PPI receives first order for ProCene® graphene to be used in supercapaciters.
    • R&D begins on Faradyne energy storage system.
    • The University of Tennessee begins independent testing of ProCnano® in concrete.
    • Auburn University begins independent testing of ProCene® in asphalt.
  • 2024
    • Design prototype of the Faradyne energy storage system is completed.