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

VOA: special.2010.11.17

The goal with the new rickshaw is to increase the number of trips per day that the pullers can make.

VOA: special.2009.05.11

But Mr.Gustafson sees a better chance for the efforts to increase the popularity of the orange sweet potato in Africa.

VOA: special.2011.01.04

But Howard-Yana Shapiro, head of plant science and external research at Mars, thinks that science could greatly increase the yield.

VOA: special.2010.10.19

His goal is to increase the percentage of college graduates from forty percent to sixty percent by the year twenty-twenty.

VOA: special.2010.08.12

The National Council on Teacher Quality is a research group that works to increase the number of effective teachers.

VOA: special.2011.08.11

Pruning can also remove unhealthy or unneeded parts of a plant, and increase the growth of flowers and fruit.

VOA: special.2009.10.06

In many countries, women are half as likely as men to use fertilizers to increase the amount of crops.

VOA: special.2011.03.22

Those bacteria can increase the chances of a heart attack or stroke and worsen the effects of other diseases.

VOA: special.2009.03.11

People should tie a bright-colored object to the top of their car to increase the chance of rescue.

VOA: special.2010.01.05

The mutations in these genes can increase the risk for other kinds of cancer, including cancer of the cervix, uterus and pancreas.

VOA: special.2010.09.22

The Global Snakebite Initiative is trying to increase the availability of good quality antivenom treatments and improve medical training for patient care.

VOA: special.2009.04.22

After a few weeks, increase your time to fifteen or twenty minutes, and increase the number of days.

VOA: special.2010.06.08

more important than ever. The world's largest economies promised to increase the size of the fund by about five hundred billion dollars.

VOA: special.2009.04.24