The Hawaiʻi Department of Transportation (HDOT) has released its final Energy Security and Waste Reduction Plan after a 65-day public review period. The plan is designed to help the state’s transportation sector meet emissions reduction targets set by the Legislature in 2018. These targets include cutting greenhouse gas emissions by 50% from 2005 levels by 2030, and achieving net-negative emissions by 2045.
Currently, Hawaiʻi produces about 10.7 million metric tons of carbon dioxide equivalent annually. According to HDOT’s analysis, this figure is unlikely to decrease without further policy changes, actions, or investments. The plan seeks to balance emission reductions with affordability for local residents and improved energy security.
During the draft review period from June 27 to August 30, HDOT held six virtual public presentations and met with various stakeholders. The department received 310 public comments addressing issues such as increased walking and biking infrastructure, concerns over costs associated with clean fuels and electric vehicles, and calls for equitable investment in disadvantaged and rural communities. HDOT has published summary responses on its website and incorporated feedback into the final document.
Director Ed Sniffen stated: “HDOT is grateful for the public’s comments and thanks residents, businesses and stakeholders who have all contributed to shaping the final Energy Security and Waste Reduction Plan. It will guide us as we work to lower emissions and increase our energy security, while meeting Hawaiʻi’s transportation needs.” He added: “HDOT can take immediate actions by expanding EV public charging and having incentives for cleaner fuels. We will continue to work on the dynamic plan which will be updated annually with community input, new data and analysis.”
The finalized plan includes several key revisions based on recent data from the State Greenhouse Gas Inventory from 2022. This data shows that half of Hawaii’s emissions come from transportation activities—with domestic aviation accounting for most of these emissions. The plan also allows cruise operators to continue operations if they use cleaner-burning ships. Additionally, it prioritizes cost-lowering strategies for vulnerable groups through measures like new bus stops or routes.
Immediate steps outlined in the plan include expanding electric vehicle charging infrastructure; offering incentives for cleaner fuels; improving pedestrian, transit, and bicycle networks; and investing in carbon sequestration projects over the next five years. HDOT describes this as a living document that will be reviewed annually based on legislative changes, technology developments, or shifts in commitments.
The full text of the final Energy Security and Waste Reduction Plan is available at https://hidot.hawaii.gov/wp-content/uploads/2025/10/FINAL-ESWRP-2025-10-15.pdf
