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The Clean Cities Blog helps Clean Cities coordinators and stakeholders access information about alternative transportation topics that affect their coalitions around the United States.

A bird's eye view graphic of vehicles traveling on multiple roads, signifying the potential energy usage scenarios that could result from new energy efficient mobility system technologies'.

New Initiatives Will Use Supercomputers to Improve Transportation Energy Efficiency

Jan. 11, 2018

Did you know, the U.S. Department of Energy’s National Laboratories are home to 32 of the fastest supercomputers on Earth? Scientists and researchers at the national labs use these supercomputers to accelerate research by creating models from complex data sets. Now, two new Vehicle Technologies Office (VTO) initiatives - High Performance Computing for Mobility (HPC4Mobility) and Big Data Solutions for Mobility–will utilize the computing capabilities of the national labs to find solutions to real-world transportation energy challenges

Photo of the cover of the Compressed Natural Gas Vehicle Maintenance Facility Modifications Handbook

Webinar and Handbook Offer Guidance for CNG Vehicle Maintenance Facilities

Jan. 10, 2018

The new resources cover primary considerations and safety standards for compressed natural gas vehicle maintenance facilities.

A photo of an electric vehicle charging in the snow.

4 Tips to Improve Electric Vehicle Battery Range this Winter

Dec. 13, 2017

Follow these tips to stay warm and get the most out of your EV battery this winter.

A photo of a person working at a laptop with the FY18 fuel economy guide showing on the screen.

2018 Fuel Economy Guide Helps Consumers Save Money

Dec. 11, 2017

Just in time for the New Year, the 2018 Fuel Economy Guide is now available at FuelEconomy.gov.

A photo of a PEV charging.

Study Captures Consumers’ Pulse on Plug-In Electric Vehicle Preferences

Dec. 4, 2017

A new report by the National Renewable Energy Laboratory aims to provide current insights into the American public's sentiments on plug-in electric vehicles.

A photo of a toy car, calculator, and magnifying glass sitting on a piece of paper.

New Resources Offer Insights for Tackling Transportation Project Challenges

Nov. 8, 2017

Two new technical reports from the Vehicle Technologies Office’s Technology Integration program aim to increase project success by providing stakeholders with insights into anticipating, mitigating, and avoiding common problems.

A photo of a plug-in electric vehicle charging in the snow.

Winter Driving Tips to Stay Warm and Save Fuel

Nov. 2, 2017

Early season snowfalls mean it’s time to brush off our cars and brush up on tips to save fuel economy in winter.

a photo from the Second Annual Electric Island Drive and EV Fair in Honolulu, HI, organized by the Sustainable Transportation Coalition of Hawaii and held on September 17, 2017. There were 90 EVs in the caravan-style drive, and approximately 250 people at the fair. Photo by Shem Lawlor, Hawaii Clean Cities Coalition Coordinator.

National Drive Electric Week 2017: Charged Up About Electric Vehicles

Oct. 16, 2017

Across the country, people are charged up about electric vehicles, if this year’s National Drive Electric Week is any indication.

A photo of a woman fueling up her fuel cell electric vehicle.

5 Fast Facts about Hydrogen and Fuel Cells

Oct. 5, 2017

If you haven’t heard about hydrogen and fuel cells before, then listen up. These technologies are bursting on to the scene and have the potential to solve some of the biggest problems in energy ranging from commercial buildings to transportation.

A bird's eye view graphic of vehicles traveling on multiple roads, signifying the potential energy usage scenarios that could result from new energy efficient mobility system technologies'.

Technologies That Will Transform the Transportation System

Sept. 8, 2017

The transportation system is in the midst of a dramatic worldwide transformation that has the potential to impact our daily lives.

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