1. Kavalov B (2004) Techno-economic analysis of natural gas application as an energy source for road transport in the EU; European Commission.
https://www.researchgate.net/publication/265217576_Technoeconomicanalysisofnaturalgasapplicationasanenergysourceforroad transportintheEU
. Accessed Mar 2018
2. Vasanth KK, Preuss K, Titirici MM, Rodríguez-Reinoso F (2017) Nanoporous materials for the onboard storage of natural gas. Chem Rev 117:1796–1825
3. CO2 emissions overview. International Energy Agency 2017.
https://www.iea.org/publications/freepublications/pubication/CO2EmissionsFromFuelCombustion2017Overview.pdf
. Accessed Mar 2018
4. See
https://www.CO2.earth/
. Accessed Mar 2018
5. See
https://data.giss.nasa.gov/
. Accessed Mar 2018