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Chevy Bolt EV's battery shows big improvements over Spark's

Plug-in vehicle battery technology moves fast, and all you need to do to see this in action is to take a look at the new 60-kWh lithium-ion pack inside the 2017 Chevy Bolt EV. Well, you need to do that and then compare it to the battery packs inside of GM's other plug-in vehicles. And you don't even to go as far back as the EV1 to see progress. Let's start with what we know about the new Bolt's pack. It is supposed to drive the Bolt EV over 200 miles on a full charge. It weighs 960 pounds and is made up of 288 cells. Chevy's other all-electric car, the limited-availability Spark EV, had a 19-kWh pack and offered 82 miles of range. It had 192 cells and weighed 474 pounds. So, in the few years since the Spark EV was released, GM engineers have figured out how to get three times the energy capacity and almost two-and-a-half times more range out of a pack that weighs only about twice as much. And that doesn't even get to the price drops. GM has figured out how to get 3x the energy capacity and almost 2.5 times more range out of a pack that weighs only twice as much. Speaking of those 288 cells, that number might sound familiar to regular readers because that's exactly how many are in the new Chevy Volt. But the packs in the Volt and the Bolt are entirely different beasts. For one thing, while the Volt cells are made by LG Chem in Holland, MI, LG Chem will make the Bolt's cells in South Korea. The cell chemistries are also different. We spoke with GM engineer Tim Grewe (again) and while he declined to answer some of our Bolt battery pack questions until more details are unveiled at the SAE World Congress in April, he was able to explain a few things. "The cell inside the Chevy Bolt EV was specifically designed for EV range so it's up on energy," he said. "That's a different cell chemistry than on the extended range Chevy Volt, which is a smaller pack, smaller energy but more power per cell. We work with all of those vehicle requirements and customer demands and we say how do we meet this and we change the chemistry to make it all work." Comparing the 60 kWh in the Bolt and the 18.4-kWh pack in the Volt is really one of those apples to oranges issues, he said. "If you look at the Volt battery pack, how it went from where it was and where it's up to, from 38 miles to 50 miles, that was basic, overall industry improvement. Now, the 18 [kWh] to the 60 [kWh] is extended range vs. EV.

Recharge Wrap-up: Phoenix Cars delivers ZEUS to Navy, Volt saves gas compared to i-MiEV

Phoenix Cars has delivered its first Zero Emissions Utility Shuttle (ZEUS) flatbed truck to the US Navy. The electric flatbed will be used to transport maintenance materials around Naval Base Ventura County Port Hueneme. The Phoenix ZEUS features a 100-mile range, and can charge in just three hours. It also features vehicle-to-grid technology and direct power capability, allowing it to function as a mobile power station. ZEUS customers enjoy an eight-year/300,000-mile battery warranty and round-the-clock technical support from Phoenix. Phoenix launched an electric passenger shuttle last year, and years ago worked on an electric sport utility truck before shifting over to larger vehicles. Read more in the press release from Phoenix Cars. A man found that he used less gas by trading in his Mitsubishi i-MiEV for a Chevrolet Volt. Ben Rich saved fuel in part by using his Volt for road trips rather than needing to rent cars. Rich also found other benefits to driving a Volt, including more comfort, more freedom of movement and less range anxiety. Rich often had to turn off the heat in the winter to eke out precious miles in the Mitsubishi, which he needn't do in the Chevy, though he did have a gripe about the Volt using the gas motor to warm the car. Read more at Green Car Reports. EV drivers using the ChargePoint network have traveled over 196 million miles without gasoline. ChargePoint has tallied over 9 million charging sessions for a total of 65 gigawatt hours of energy. Based on national efficiency averages of three miles per kWh and 23.9 miles per gallon, this has saved 8.2 million gallons of gasoline and 60 million pounds of CO2. This accounts for what ChargePoint calls a "huge environmental impact." Read more in the release from ChargePoint below. The Environmental Impact of ChargePoint Drivers Campbell, Calif.– We all know electric vehicles (EV) have enormous environmental advantages over gas vehicles. Plug-in EVs reduce carbon-based greenhouse gases, improve air quality and reduce our dependence on fossil fuels. EV drivers on the ChargePoint network have had a huge environmental impact. With over 9 million charging sessions delivering 65 gigawatt hours of energy, EV drivers have avoided over 60 million pounds of CO2 and 8.2 million gallons of gasoline, and driven over 196 million gas-free miles. *Based on national averages: EV efficiency of 3 miles per kWh, gas efficiency of 23.9 mpg and a net savings of 0.924 pounds of CO2 per kWh.

Recharge Wrap-up: Chevy hits CO2 goal, eVgo and BMW build fast charging

Chevrolet has met its goal of preventing 8 million metric tons of CO2 emissions over the last five years. Through its community-based carbon reduction initiative, Chevy invested $40 million and took part in 38 different projects in 29 different states. The projects included supporting wind farms, powering a hospital with landfill gas, helping truckers reduce their idle time and helping create the ongoing #CleanEnergyU dialogue between students and clean energy leaders. In the end, Chevy retired all its carbon credits rather then spending them to offset its own emissions. Read more from Chevrolet. NRG eVgo and BMW are partnering to add DC Fast Combo charging to locations around the country. Over the next two years, the groups will bring hundreds of the 50-kW chargers to 25 cities, with 24 of those markets getting at least one installed by the end of 2015. "eVgo will add reliable DC Fast Combo capability to what is already America's largest DC Fast charging network," says eVgo President and CEO Arun Banskota. "This will be the fastest and most cost effective build out of a new network ever – thanks in large part to our existing infrastructure and committed retail host partners." Read more in the press release from eVgo. The EPA has settled with a Utah gasoline refiner over Clean Air Act violations. The HollyFrontier Corporation subsidiaries will pay $1.2 million for producing about 42 million gallons of gas that didn't adhere to Reid Vapor Pressure standards, resulting in 10 excess tons of volatile organic compound emissions. Its Salt Lake City refinery will also implement a program to offset past emissions. "This agreement will benefit public health by requiring retrofits of storage tanks at HollyFrontier facilities that will reduce volatile organic compound emissions and use next generation technology to verify these reductions," says Assistant Attorney General John Cruden. "This settlement shows that fuel refiners can and must meet the nation's standards for controlling the emissions that cause ground level ozone and serious health problems for Americans." Read more in the press release below. U.S. Settles with Gasoline Refiner to Reduce Emissions at Utah Facility WASHINGTON -- The U.S.