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eHighway Tech Experiment Targets Emissions

An eHighway test site in California has electric-hybrid trucks connecting to overhead power lines, a pilot project that uses technology to reduce emissions.

The sound — and smell — of thousands of idling trucks at the ports of Los Angeles and Long Beach could be fading if a new pilot project to convert them to part-time electric vehicles sticks.
 
A one-mile-long test site, known as the eHighway, has been established near the Los Angeles and Long Beach ports, to test three big-rigs equipped with electric-hybrid motors and the sort of extendable arm that connects the trucks to an overhead power supply. The vehicles are powered via a Siemens overhead catenary system, much in the same way that electric city buses and trains receive power.
 
“The system is expected to lower fossil fuel consumption, reduce truck operating costs, substantially reduce smog-forming, toxic and COemissions, and help accommodate the growing reliance on freight transportation,” Siemens spokeswoman Annie Satow said. “The aim of this specific project is to demonstrate the eHighway system applied in truck operation on public roads in an urban U.S. setting and to further prepare applications for larger-scale initiatives in the future.”
 
The project, which is set to run through the end of the year, is a joint effort by Siemens and the South Coast Air Quality Management District (SCAQMD), which oversees air quality improvement projects in Southern California, an area with a long history of high smog and pollutant levels. According to Siemens, trucks, like the kind that operate in ports daily, are the leading cause of smog-forming emissions in the region.
 
“This project will help us evaluate the feasibility of a zero-emission cargo movement system using overhead catenary wires,” said Wayne Nastri, SCAQMD’s executive officer, in a statement. “This demonstration could lead to the deployment of eHighway systems that will reduce pollution and benefit public health for residents living near the ports.”
 
The $13.5 million project is funded by $2.5 million from SCAQMD, as well as other sources including the California Energy Commission; L.A. Metro; Port of Long Beach; and a settlement from China Shipping. 
 
The Port of Los Angeles — located next to the sprawling Port of Long Beach, in San Pedro Bay — reported record clean air gains in 2016, surpassing its 2020 goal for reducing emissions at the port. Much of the improvement came from reducing ship emissions, the port reported.

Nitrous oxide emissions from trucks are on target to be reduced 74 percent to 91 percent by 2025, according to the South Coast Air Quality Management District’s Clean Air Action Plan (CAAP). Nitrous oxide — the lion's share of truck emissions — has been reduced 71 percent from 2005 to 2016, according to Port of Los Angeles statistics. Many of the ports' dirtiest trucks serving the port terminals were phased out in 2008 and replaced with trucks meeting 2007 Environmental Protection Agency (EPA) standards.


Siemens anticipates roughly 6 million tons of CO2 could be cut in California if the state were to electrify freight travel. And the electric-hybrid trucks like those on California's eHighway test site are said to be twice as efficient as conventional diesel engines.
 
This article originally appeared in Government Technology magazine, a sister publication of Techwire.
Skip Descant writes about smart cities, the Internet of Things, transportation and other areas for Government Technology magazine.