le samedi 14 juillet 2018, à 00:48. Posté
par Malcolm
I'm unemployed http://btz-media.com/zippaycomau-8079.pdf honeyb.zippay.com.au In the United States alone, the number of renewable-energy patents exceeded 1,000 annually by 2009 — up from fewer than 200 per year in the 1975-2000 period. In contrast, patents for coal, oil or gas technologies rose to about 300 in 2009, up from 100 annually in earlier decades.