Wednesday April 8, 2020
Home Environment Here’s ...

Here’s Why Automative Technology May Have Adverse Impact on Climate, Public Health

climate trade-off is much different on the regional scale, especially in areas with high vehicle densities

0
//
Technology
While automative technology is credited with boosting fuel efficiency and reducing CO2 emissions, GDI engines produce more black carbon aerosols than traditional port fuel injection engines. Pixabay

New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts, a new study suggests.

The gasoline direct injection (GDI) engine is one of the most prominent technologies car manufacturers adopted to achieve the fuel economy and carbon dioxide emission goals established in 2012 by the US Environmental Protection Agency.

While this technology is credited with boosting fuel efficiency and reducing CO2 emissions, GDI engines produce more black carbon aerosols than traditional port fuel injection engines, according to the study published in the journal Environmental Science and Technology.

“Even though emissions from gasoline vehicles constitute a small fraction of the black carbon in the atmosphere, the vehicle emissions are concentrated in regions with high population densities, which magnifies their effect,” said study researcher Rawad Saleh, Assistant Professor at University of Georgia in the US.

The market share of GDI-equipped vehicles increased from 2.3 per cent in model year 2008 to 51 per cent in model year 2018. The EPA projects 93 per cent of vehicles in the US will be equipped with GDI engines by 2025. According to the study, researchers predicts the increase in black carbon emissions from GDI-powered vehicles will fuel climate warming in urban areas of the US that significantly exceeds the cooling associated with a reduction in CO2.

In addition, they believe the shift will nearly double the premature mortality rate associated with vehicle emissions, from 855 deaths annually to 1,599. The researchers estimate the annual social cost of these premature deaths at $5.95 billion. The increase of black carbon is an unintended consequence of the shift to GDI-equipped vehicles that some scientists suspected was based on experimental data, according to the researcher.

Technology
New automotive technology that promises enhanced fuel efficiency may have a serious downside, including significant climate and public health impacts. Pixabay

“This study is the first to place these experimental findings in a complex modeling framework to investigate the trade-off between CO2 reduction and an increase in black carbon,” Slah said. While previous research has reported the shift to GDI engines will result in net benefits for the global climate, the researchers said that these benefits are rather small and can only be realized on timescales of decades.

Meanwhile, the negative impact of black carbon can be felt instantaneously, they added.

ALSO READ: Everything About Off-Beat Cinema: The Newfangled Trend in Bollywood

“Our research shows the climate trade-off is much different on the regional scale, especially in areas with high vehicle densities. In these regions, the climate burden induced by the increase in black carbon dominates over the climate benefits of the reduction in CO2,” said Saleh. (IANS)

Next Story

Google Maps Offers User Location Data To Help Public Health Officials

This information could help officials understand changes in essential trips that can shape recommendations on business hours or inform delivery service offerings

0
Google maps
"Just like how people can use Google Maps to identify when a local business tends to be the most crowded, we're using the same aggregated, anonymized data to provide high-level insights into what has changed," the company said in a statement late Thursday. Pixabay

Google Maps is offering user location data to help public health officials spot increase or decrease of movement across high-level categories of places — such as retail and recreation, groceries and pharmacies, parks, transit stations, workplaces and residential areas.

Health officials will be able to go to the ‘COVID-19 Community Mobility Reports’ website, pick their country and download a PDF that charts the community movements. The community mobility reports are now available for 131 countries, including India.

“Just like how people can use Google Maps to identify when a local business tends to be the most crowded, we’re using the same aggregated, anonymized data to provide high-level insights into what has changed,” the company said in a statement late Thursday.

Please Follow NewsGram on Twitter To Get Latest Updates From Around The World!

“We have heard from public health officials that this same type of aggregated, anonymized data could be helpful as they make critical decisions to combat COVID-19,” Jen Fitzpatrick, Senior Vice President, Google Maps, said in a blog post.

“We’re publishing an early release of our COVID-19 Community Mobility Reports to provide insights into what has changed in response to work from home, shelter in place, and other policies aimed at flattening the curve of this pandemic,” he added.

The report will show trends over several weeks, with the most recent information representing 48-to-72 hours prior. “While we display a percentage point increase or decrease in visits, we do not share the absolute number of visits,” the company said.

Google Maps
Google Maps is offering user location data to help public health officials spot increase or decrease of movement across high-level categories of places — such as retail and recreation, groceries and pharmacies, parks, transit stations, workplaces and residential areas. Pixabay

In the coming weeks, the company will work to add additional countries and regions to ensure these reports remain helpful to public health officials across the globe looking to protect people from the spread of COVID-19.

This information could help officials understand changes in essential trips that can shape recommendations on business hours or inform delivery service offerings.

ALSO READ: Production of 5G Apple iPhones Likely To Set on Shedule: Foxconn

Similarly, persistent visits to transportation hubs might indicate the need to add additional buses or trains in order to allow people who need to travel room to spread out for social distancing.  (IANS)