• ITVI.USA
    14,959.950
    116.940
    0.8%
  • OTLT.USA
    2.933
    0.012
    0.4%
  • OTRI.USA
    19.350
    0.220
    1.2%
  • OTVI.USA
    14,926.910
    120.050
    0.8%
  • TSTOPVRPM.ATLPHL
    2.910
    -0.050
    -1.7%
  • TSTOPVRPM.CHIATL
    3.790
    0.080
    2.2%
  • TSTOPVRPM.DALLAX
    1.460
    0.170
    13.2%
  • TSTOPVRPM.LAXDAL
    3.740
    0.020
    0.5%
  • TSTOPVRPM.PHLCHI
    2.270
    0.030
    1.3%
  • TSTOPVRPM.LAXSEA
    4.150
    -0.010
    -0.2%
  • WAIT.USA
    131.000
    -2.000
    -1.5%
  • ITVI.USA
    14,959.950
    116.940
    0.8%
  • OTLT.USA
    2.933
    0.012
    0.4%
  • OTRI.USA
    19.350
    0.220
    1.2%
  • OTVI.USA
    14,926.910
    120.050
    0.8%
  • TSTOPVRPM.ATLPHL
    2.910
    -0.050
    -1.7%
  • TSTOPVRPM.CHIATL
    3.790
    0.080
    2.2%
  • TSTOPVRPM.DALLAX
    1.460
    0.170
    13.2%
  • TSTOPVRPM.LAXDAL
    3.740
    0.020
    0.5%
  • TSTOPVRPM.PHLCHI
    2.270
    0.030
    1.3%
  • TSTOPVRPM.LAXSEA
    4.150
    -0.010
    -0.2%
  • WAIT.USA
    131.000
    -2.000
    -1.5%
AskWavesElectric TrucksNet Zero CarbonNewsSustainabilityTrucking

Can electric vehicles match diesel performance in cold, snowy conditions?

AskWaves explores how EVs fare in subzero temperatures

As battery-electric vehicles gain popularity for different uses in transportation, some are wondering if they can perform in the cold and harsh environments that diesel vehicles handle well.

Just as mileage for conventional vehicles depends on several factors, the range for EVs can vary with cold weather, high-speed driving or accessory use, according to the Environmental Protection Agency.

Accessory power use for things like heating a vehicle’s cabin can impact the energy consumption and vehicle range for EVs.

“Unlike fossil fuel-powered vehicles, the thermal energy available from the electric motor is not able to meet heating demands in winter, and the energy consumption related to heating can significantly affect the vehicle performance in terms of range,” said a 2019 study done at the University of Brescia in Italy.

The study used publicly available Nissan Leaf data to model the impacts of accessory power consumption such as cabin heating on energy consumption for EVs. The data was based on an experiment in which the Nissan Leaf’s range was tested across a broad range of winter ambient temperatures in Canada.

The study concluded: “The effect of ambient temperature and the consequent accessories consumption due to cabin heating are shown to be remarkable. For instance, in case of [various] driving cycles, the range exceeds 150 kilometers at 20 degrees C, while it reduces to about 85 kilometers and 60 kilometers at 0 degrees C and minus 15 degrees C, respectively.”

That’s the equivalent of going from a range of 93 miles at 68 degrees Fahrenheit to 53 miles at 32 degrees F and 37 miles at 5 degrees F. Of course, this is for a short-range passenger EV. Research on the performance of electric trucks in cold weather is scarce.

Read: Amply Power unveils shipping containers for cheaper, portable EV charging

Performance in cold not an issue for all EVs

Terminal tractors, or yard trucks, rarely leave their home base. Yard trucks are the “perfect application” for EVs, according to a previous interview, because they don’t have to travel long distances. They can quickly find a charger when there’s down time or when they need to reenergize their batteries. 

“The actual performance of our Orange EV yard truck is not any different in hot or cold weather — it just uses more energy in cold weather,” Kurt Neutgens, president and CTO of Orange EV, told FreightWaves.

Like any vehicle, EVs need to be designed and adapted for the environments they operate in, Neutgens said, but that can be accomplished.

“Because of the additional energy used to heat the battery boxes and the cab, it is possible that operations in extreme cold could use 3 to 6 kilowatts more energy per hour than when temperatures are in the 70s,” Neutgens said.

It depends on the temperatures and how efficient the heaters are, he said, so it’s important to test batteries in cold weather and pay attention to the battery pack size companies purchase for their EVs.

The Kansas City-based electric terminal tractor provider has had yard trucks operating in snowy and cold environments for years.

“Our coldest location is likely in Otsego, Minnesota, at a Ruan facility. In that part of Minnesota, it’s not uncommon to hit minus 20 degrees F for multiple days, and it’s been down to minus 33 degrees Fahrenheit with our truck operating. … The snowiest Orange EV location is likely Buffalo, New York, where our trucks have been operating successfully for five years,” Neutgens said.

In the 2018 to 2019 winter season, Buffalo received 94 inches of snowfall, and the average annual snowfall for the city was 70 inches between 1981 and 2010, according to the National Oceanic and Atmospheric Administration.

Orange EV yard trucks have heating elements inside the battery boxes, so the batteries can continue to supply power and run the truck as normal in frigid temperatures, Neutgens said. Though they can take energy from the battery, electric heaters can heat up the cab faster than a diesel engine, he said.

“Any fleet operator considering a switch to electric vehicles has concerns regarding duty cycle and range of the assets. But in the evaluation, they have to also take into account the terrain and weather conditions,” said Tyler Cole, director of carbon intelligence at FreightWaves.

Cole continued: “If they’re sacrificing substantial range in extreme temperatures, it’s going to weigh into their asset purchasing decision. For the last mile, light-to-medium-duty trucks and drayage operations, that’s probably less of a constraint. But any long-haul operator looking at EV trucks in the medium term is appropriately weighing the trade-offs between the total cost of ownership and interoperability of its assets.”

Read: The Log Book: Xos’ electric stepvans help feed families in need

How to extend EV range

Department of Energy tips to extend EV range in the winter include:

  • Warming the cabin while the vehicle is still plugged in to preserve more battery power when you unplug.
  • Keeping the driver comfortable using steering wheel and seat heating, which are more efficient than heating the cabin.
  • Removing ice and snow from the vehicle to improve aerodynamics and reduce extra weight that the battery has to move.
  • Using eco-driving tips, such as minimizing hard starts, maximizing regenerative braking and watching speeds, to reduce power consumption.

Because EVs take more energy in cold environments, it’s important for companies to keep a charger open to keep the batteries warm and recharge trucks when needed, Neutgens said.

Click here for more FreightWaves articles by Alyssa Sporrer.

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Alyssa Sporrer

Alyssa is a staff writer at FreightWaves, covering sustainability news in the freight and supply chain industry, from low-carbon fuels to social sustainability, emissions & more. She graduated from Iowa State University with a double major in Marketing and Environmental Studies. She is passionate about all things environmental and enjoys outdoor activities such as skiing, ultimate frisbee, hiking, and soccer.

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