English Presentation "Blue Planet": Mobility (Sources)

Presentation: Mobility (Sources):
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Pictures:
sports car - https://pixabay.com/vectors/car-sports-car-luxury-model-auto-1300629/
happy smiley - https://pixabay.com/vectors/smiley-emoticon-happy-face-icon-1635451/
sad smiley (it is sad though called 'happy face'!) -  https://pixabay.com/vectors/smiley-emoticon-happy-face-icon-1635448/
train - https://pixabay.com/photos/tram-train-city-urban-1481395/
bike - https://pixabay.com/photos/wheel-bike-transport-system-spoke-3357854/
hammock - https://pixabay.com/photos/shack-hut-log-cabin-landscape-2494782/

Tesla: https://www.motor-talk.de/news/vorbestellungen-fuer-neuen-tesla-roadster-moeglich-t6435207.html
E-bike: https://www.cyclingweekly.com/reviews/bike-reviews/scott-e-sub-tour-electric-bike
Bio-diesel: https://choosesq.com/2018/04/07/biodiesel-and-global-warming/


Text:
Technological alternatives:
•	https://www.engineeringtoolbox.com/electrical-motor-efficiency-d_655.html
•	https://www.greencarreports.com/news/1091436_toyota-gasoline-engine-achieves-thermal-efficiency-of-38-percent
•	https://www.conserve-energy-future.com/advantages-and-disadvantages-of-biofuels.php