Country:United States
Policy status:In Force
Date Effective:2008
Policy Type:Research, Development and Deployment (RD&D)>Demonstration project, Economic Instruments>Fiscal/financial incentives>Grants and subsidies, Research, Development and Deployment (RD&D)
Policy Target:Transport>Passenger, Transport, Transport>Freight
Agency:U.S. Department of Transportation

The Continuous, Lower Energy, Emissions, and Noise (CLEEN) program is a NextGen effort to accelerate development and commercial deployment of environmentally promising aircraft technologies and sustainable alternative fuels. The aircraft technologies focus on reduction in aircraft noise, emissions, and fuel burn. CLEEN activities include demonstration of airframe feasibility and streamlining the approval process for alternative jet fuels. 

This record is superseded by:Aviation Low Emissions, Fuel Efficiency, and Renewable Fuels Measures

Last modified: Thu, 16 Feb 2017 20:36:58 CET