Search Results Found For: "DOE "

2020 EV Charging Infrastructure Best-in-Test: Rating the DC fast charging user experience

If EVs are to replace fossil-fuel vehicles, they need to be able to make long highway trips, which means that DC fast charging needs to be reliable, convenient, affordable and ubiquitous. However, as Charged and other media have often reported, we’re still in the early days of public EV charging, and the user experience often… Read more »

Charged and umlaut partner on EV charging infrastructure testing

Q&A with Hakan Ekmen, Managing Director umlaut US How do the various public fast charging networks compare in terms of reliability, convenience, coverage and price? Charged recently partnered with the German firm umlaut to begin to determine the state of the charging network user experience. After performing a comparative study of network providers in Germany,… Read more »

Lordstown Motors claims 50,000 pre-orders for electric pickup, opens two new facilities

Lordstown Motors says it has logged 50,000 preorders for its Endurance electric pickup truck. The company, which is concentrating on fleet customers, said the average order size is 500 vehicles. The 50,000 figure “does not capture interest the company has received from organizations that are not in position to be able to place pre-orders, such… Read more »

Proterra beefs up its battery expertise: Q&A with CTO Dustin Grace

Since its founding in 2004, Proterra has grown to become North America’s largest supplier of electric buses. The company has sold some 950 buses to transit agencies, airports, universities, national parks and private companies in 43 states and provinces. Under its Proterra Powered program, the company provides powertrains to other vehicle makers—school buses for Thomas… Read more »

A closer look at the DC Link

The term DC link has traditionally referred to the junction between two power conversion stages where an energy storage element (almost always a capacitor) acts as a buffer for each.  A classic example is the capacitor placed between the rectifier and the voltage source inverter in a mains-supplied variable frequency drive (see Fig. 1). This… Read more »

Truck leasing firm orders 150 Tesla Semi electric trucks

Tesla is using the same reservation system for the Tesla Semi as it has used for its previous vehicles. By requiring a cash deposit with each pre-order, the company is able to bring in some cash before it even begins production. It’s a model that other automakers can only envy (and it does benefit customers… Read more »

Tesla’s success is “a combination of thousands of heroic feats that no one knows about” (book excerpt)

A new excerpt from Tesla: How Elon Musk and Company Made Electric Cars Cool, and Remade the Automotive and Energy Industries, Edition 4.1. An inside look at the early days David Havasi was a car guy from birth. He grew up near Auburn Hills, and his dad worked in the auto industry. “My childhood was… Read more »

NeoCharge’s Smart Splitter reduces barriers to Level 2 EV charging at home

California-based startup NeoCharge has developed an economical, quick and safe way to add a Level 2 EV charging station to your home. The company’s Smart Splitter allows you to safely plug your EV charger and an appliance such as a dryer into the same 220-volt outlet, eliminating the need for a dedicated circuit or a… Read more »

New analytical model from Rice University helps fine-tune battery performance

Rice University engineers have devised a simpler and more efficient way to predict battery performance, which they claim is 100,000 times faster than current modeling techniques. The analytical model developed by materials scientist Ming Tang and graduate student Fan Wang of Rice University’s Brown School of Engineering doesn’t require complex numerical simulation to guide the… Read more »

EV West unveils Tesla crate motor for EV conversion projects

EV conversion one-stop shop EV West has announced a new Tesla crate motor kit designed to convert V8 muscle cars to EVs. The drop-in package consists of a complete Tesla drive unit, including inverter and mounting brackets. “Our new Revolt Tesla crate motor mounts to your small block motor mounts and attaches directly to your… Read more »