epa03779224 A handout picture provided by Solar Impulse on 07 July 2013 shows the solar-powered airplane approaching John F. Kennedy International Airport on the final leg of its flight across the United States from Dulles International Airport near Washington, DC, USA to New York, New York, USA, 06 July 2013. The plane which is capable of flying day and night without fuel, powered only by solar energy, was headed to New York on the final leg of its journey across America that started 03 May in San Francisco. EPA/SOLAR IMPULSE / HANDOUT / NEILS ACKERMAN HANDOUT EDITORIAL USE ONLY/NO SALES © Bild: APA/SOLAR IMPULSE / HANDOUT / NEILS ACKERMAN Alternative Energien 10.07.2013 Solarflieger: Weit wie eine Boeing 747, leicht wie ein Golf Zwei Schweizer Abenteurer überquerten mit "Solar Impulse" die Vereinigten Staaten. von: Stefan Hofer © Bild: APA/SOLAR IMPULSE / HANDOUT / NEILS ACKERMAN USA TECHNOLOGY SOLAR IMPULSE © Bild: APA/JUSTIN LANE USA NEW YORK UN SOLAR IMPULSE © Bild: APA/SHAWN THEW USA SOLAR IMPULSE PRESSER © Bild: Reuters/STEPHEN LAM The Solar Impulse aircraft takes off from Moffett © Bild: Reuters/STEPHEN LAM The Solar Impulse aircraft takes off from Moffett