244 uppsatser · sida 17 av 17
… for heating. The village this essay was about uses a relative small amount of oil and most of the people heat there house by electricity or heating pump and those are hard to compete with when it goes to economy. Although I believe that similar investments can be very profitable …
En lösning på urban matsäkerhet
High oil prices and bad harvests have led to dramatic increases in food prices and are nowthreatening millions of people in densely populated cities all over the world. To ensure thatthese people will have enough food without compromising the needs of future generationswill be a …
effekter på våmmetabolismen
… Glycerol is also a by-product from the production of biodiesel from rapeseed oil and other fat sources. Glycerol might be used as a dietary glucose precursor for dairy cows in similar ways as propylene glycol. Due to increased production of biodiesel more glycerol has been …
vad är det?
… travel. The concept originally came from the US, where it emerged during the oil crisis in 1972. During the crisis the employers had to create car-pools to enable the employees to get to their work. In that way the employers changed the employee’s way of travel. The concept …
