Featured Research

from universities, journals, and other organizations

Current use of biodiesel no more harmful than regular diesel, Norwegian study finds

Date:
February 3, 2011
Source:
Norwegian Institute of Public Health
Summary:
Up to 7 percent biodiesel blended in regular diesel will presumably not cause greater health risks for the population than the use of pure fossil diesel, according to a new Norwegian assessment.

Up to seven per cent biodiesel blended in regular diesel will presumably not cause greater health risks for the population than the use of pure fossil diesel. This is the main conclusion in a memorandum from the Norwegian Institute of Public Health and the Climate and Pollution Agency (formerly SFT) to the Ministry of Health and Care Services and the Ministry of the Environment.

"A higher content of biodiesel (up to 20 per cent) requires more research to assess health effects. This must include different types of biofuels and blending ratios, as well as physical and technical factors that are relevant in Norway," said Per Schwarze from the Norwegian Institute of Public Health.

A number of studies have examined the effects that blending biodiesel in regular diesel has on air emissions, especially for nitrogen oxides (NOx) and particulates. Most reports show that NOx emissions increase slightly, but this depends on the type of biofuel and engine technology. However the particle mass in the emissions seems to decrease. The size distribution and number of particles can be changed by blending in biodiesel, which can affect health.

Knowledge about the possible health effects from the use of biofuels is limited. There have been few studies of biodiesel exhaust on humans and animals. Therefore, much is based on studies of gene and cell damage and inflammatory responses in cell cultures. Overall, the present studies suggest that there are not very large differences between the effects of biodiesel and diesel.

"However, there have been comprehensive studies in which one compares different types of biodiesel and diesel," said Schwarze.

Studies indicate that the effect of processing equipment, such as particle filters, is as important as the use of diesel type. The results seem to depend on several factors, such as driving cycle, temperature, engine type, fuel mixture and filtering equipment.

For increased blending of biodiesel (up to 20-30 per cent) more research is required. This applies both to the choice of biofuels (including second generation) and different blending ratios between biodiesel and diesel in order to study possible interaction effects on health. It is also important to use engine technology and air temperatures that are relevant for Norwegian conditions in the studies.

The Norwegian Institute of Public Health had primary responsibility for the health assessments in the study.


Story Source:

The above story is based on materials provided by Norwegian Institute of Public Health. Note: Materials may be edited for content and length.


Cite This Page:

Norwegian Institute of Public Health. "Current use of biodiesel no more harmful than regular diesel, Norwegian study finds." ScienceDaily. ScienceDaily, 3 February 2011. <www.sciencedaily.com/releases/2011/02/110203101507.htm>.
Norwegian Institute of Public Health. (2011, February 3). Current use of biodiesel no more harmful than regular diesel, Norwegian study finds. ScienceDaily. Retrieved September 16, 2014 from www.sciencedaily.com/releases/2011/02/110203101507.htm
Norwegian Institute of Public Health. "Current use of biodiesel no more harmful than regular diesel, Norwegian study finds." ScienceDaily. www.sciencedaily.com/releases/2011/02/110203101507.htm (accessed September 16, 2014).

Share This



More Earth & Climate News

Tuesday, September 16, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Conservationists Face Uphill PR Battle With New Shark Rules

Conservationists Face Uphill PR Battle With New Shark Rules

Newsy (Sep. 14, 2014) New conservation measures for shark fishing face an uphill PR battle in the fight to slow shark extinction. Video provided by Newsy
Powered by NewsLook.com
Pakistan's 'killer Mountain' Fails to Draw Tourists After Attack

Pakistan's 'killer Mountain' Fails to Draw Tourists After Attack

AFP (Sep. 12, 2014) In June 2013, 10 foreign mountaineers and their guide were murdered on Nanga Parbat, an iconic peak that stands at 8,126m tall in northern Pakisan. Duration: 02:34 Video provided by AFP
Powered by NewsLook.com
Solar Storm To Hit This Weekend, Scientists Not Worried

Solar Storm To Hit This Weekend, Scientists Not Worried

Newsy (Sep. 11, 2014) Two solar flares which erupted in our direction this week will arrive this weekend. The resulting solar storm will be powerful but not dangerous. Video provided by Newsy
Powered by NewsLook.com
The Ozone Layer Is Recovering, But It's Not All Good News

The Ozone Layer Is Recovering, But It's Not All Good News

Newsy (Sep. 11, 2014) The Ozone layer is recovering thickness! Hooray! But in helping its recovery, we may have also helped put more greenhouse gases out there. Hooray? Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins