8A • THE UNIVERSITY DAILY KANSAN
NEWS
MONDAY, MARCH 3, 2003
New fuel option an improvement'
Cars powered by hydrogen would preserve petroleum pollute air less
By Amy Potter
apotter@kansan.com
Kansan staff writer
The new hydrogen car not only provides the opportunity to save the environment from future pollution, but also works to preserve a valuable environmental resource: petroleum.
Kelley Weiss/Kansan
Sam Polise, Overland Park junior, is an undergraduate research assistant working on developing the fuel cell.
He said the hydrogen cars would pollute less and provide more efficiency.
"It's environmentally a lot more safe," Polise said. "It's an improvement on the regular engine that's in place today. It's actually more efficient in not wasting as much fuel with this particular fuel cell."
"It's environmentally a lot more safe. It's an improvement on the regular engine that's in place today. It's actually more efficient in not wasting as much fuel with this particular fuel cell."
Trung Van Nguyen, associate professor of chemical and petroleum engineering, is currently developing a new fuel cell.
The cell would convert
Sam Polise, Overland Park junior, makes sure everything works on the three-panel fuel cell he is monitoring. Polise works as an applied researcher in Burt Hall, adiacent to Learned Hall, and tests and analyzes the fuel cell.
Sam Polise Overland Park junior and undergraduate fuel cell research assistant
hydrogen fuel to electricity that could then be used to power electric vehicles, such as cars.
Nguyen said the hydrogen replacement cell would help preserve petroleum fuel by using other sources.
"The way we are using now." Nguyen said, "it will run out in about 100 years."
If an alternative source is found, the life and future use of the petroleum fuel source could extend anywhere from 200 to 500 years, and maybe even much longer, Nguyen said.
Even though the hydrogen
car will change the work role of a petroleum engineer, Karl Eisert, Lawrence junior and petroleum engineering major, looks forward to the environmental benefits it has to offer consumers.
"I personally feel very strongly about the environment and I'm very happy cars might not be petroleum based," Eisert said.
Edited by Ryan Wood
The Associated Press
Report connects obesity to sugar
LONDON — People should get no more than 10 percent of their calories from sugar, experts say in a major new report today on how to stem the global epidemic of obesity-linked diseases.
The study is the most significant in more than a decade on what the world should be doing about its diet.
Although concerns about sugar intake are not new,very few experts have recommended a specific limit.
The food industry immediately decried the document, insisting more exercise is the key to ending obesity.
The report was commissioned by two U.N. agencies, the World Health Organization and the Food and Agriculture Organization, and compiled by a panel of 30 international experts.
The experts say heart disease, diabetes and other diseases that can be caused by poor diet and lack of exercise are no longer just the preserve of the Western world.
The report underlines what doctors have been saying for years — that along with regular exercise, a diet low in fatty, sugary and salty food is key to staying healthy.
The experts recommend one hour of daily exercise, double the
amount recommended by the U.S. government but the same as that endorsed by other establishments.
And their recommendations on how much fat, grains, protein, salt and fruits and vegetables people should eat also were in line with prevailing opinion.
But when it came to sugar, their advice was the boldest yet.
The experts said people should restrict their consumption of added sugar — meaning sugar not naturally present in honey, syrups and fruit juices — to below 10 percent of calories.
In the United States, which leads the world in obesity, the government's Dietary Guidelines for Americans advise only that sugar should be used in moderation.
The Institute of Medicine part of the U.S. National Academy of Sciences, recommended in September that sugar could make up to 25 percent of calories.
"There are very few international recommendations on sugar. There are countries that are trying to develop recommendations on sugar, but every time they introduce them, the pressure from industry-led groups is very high," said Derek Yach, chief of non-communicable diseases at the World Health Organization.
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