One way to raise the average fuel economy is to increase the number of electric cars on the road.

VOA: special.2010.11.17

This extra heat can raise temperatures in cities by about one to three degrees Celsius compared to rural areas.

VOA: special.2010.03.02

A BTU is the amount of heat energy needed to raise the temperature of about one-half kilogram of a substance by one degree Fahrenheit.

VOA: special.2010.11.23

One event was to raise money for the victims of the earthquake in Haiti.

VOA: special.2010.03.19

Since two thousand one she has worked with the United Nations Refugee Agency to raise public awareness about the serious problems of refugees around the world.

VOA: special.2009.05.08

One of his goals is to raise $150,000 to help a missionary group in northwest Haiti.

VOA: standard.2010.02.04