across both airports has been electrified to date . Driving that percentage higher will be a key activity going forward . As part of Project Journey at Reagan National , the Authority is partnering with American Airlines to accommodate their plans to incorporate electric GSEs into their ground service fleet . We have designed and upgraded the electrical infrastructure at the new concourse to accommodate approximately 70 charging stations at a cost of approximately $ 200,000 . American Airlines will be providing the charging stations , with a planned investment on their part , of roughly $ 500,000 . We expect to have the chargers in place in time for the scheduled opening of the new concourse in April 2021 .
Aircraft emissions reductions and electrification are an emerging market that the Authority will monitor for future infrastructure needs . The more widespread delivery and use of sustainable aviation fuel for long-haul flights continues to grow as airlines wish to reduce their carbon footprint . The infrastructure and delivery of these lower emissions products requires revisions to logistics infrastructure in support of these initiatives . Should current aircraft manufacturing efforts continue to advance in the next decade , small commuter and general aviation aircraft electrification could be another significant source for reduction in emissions .
Finally , we intend to continue adding EV charging stations throughout our airport facilities so that customers , employees , and car service companies can have greater access to charging for their electric vehicles . While tracking the number of stations is important , we also believe measuring actual usage ( in kilowatt-hour terms ) is key to capturing how much petroleum fuel users of these charging stations are offsetting while also providing the data needed to determine if and where additional stations are required .
There are existing activities within the area of electrification of transportation systems that the Authority has been engaged in and will continue to pursue under the Sustainability Plan . These include :
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Achieve and maintain 100 % use of ground power and pre-conditioned air ( PCA ) instead of diesel generators and jet engines to power airplanes while at the gate Deployment of a small but growing number of electric GSEs at both airports Installation of electric vehicle ( EV ) charging stations
As part of the new Sustainability Plan , a strategic initiative unique to the Authority is the electrification of PTVs at Dulles International as we look to reduce the 448,000 gallons of diesel fuel used by these vehicles each year , save on operations and maintenance costs , and reduce associated fossil fuel emissions .
Our best practice opportunities in this area would include the electrification of our bus fleets and the addition of electric and hybrid vehicles to our car and truck fleets . Currently , our combined bus fleets consume upwards of 480,000 gallons of diesel fuel each year , while we estimate our cars and trucks use another 315,000 gallons of both diesel and gasoline . Additional best practice opportunities exist as they relate to landside transportation practices .
Existing Activities Ground Power and Pre-Conditioned Air
There are many activities and initiatives that we are currently investing in across our operations that positively impact the environment and improve local air quality . Across both of our airports , almost 100 % of our gates have ground power units ( GPU ) and pre-conditioned air ( PCA ) service that allow
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