Posts By: Christian Ruoff

A closer look at torque ripple – minimizing its effects on electric machines

The Switched Reluctance Motor, or SRM, is often discussed as a prime choice for the next-generation EV traction motor. It is simple, robust, and arguably the least expensive of all motor types to manufacture. However, SRMs are notoriously difficult to control, and prone to emitting significant amounts of vibration and acoustic noise. The good news… Read more »

Proterra CEO on the economics of the electric bus business

Venture capitalists assume a large amount of risk when they invest in early-stage companies. They do so because of the potential for huge returns. To ensure that a portfolio of investments delivers the greatest return with the least risk, VCs spend a considerable amount of time evaluating companies, looking for the key ingredients of success…. Read more »

Nissan North America’s EV Director, Brendan Jones, joins NRG EVgo

After more than 20 years with Nissan, Brendan Jones has joined NRG EVgo to help the company with its aggressive rollout of DC fast charger infrastructure. Most recently at Nissan, he served as Director of Electric Vehicle Sales and Infrastructure Deployment. Charged has interviewed Jones several times over the past four years, and his passion… Read more »

Proterra’s electric buses approach $1 billion in total pipeline sales opportunities

Will the transit vehicle market be the first to completely eliminate petroleum use? Proterra thinks so. During a recent interview for the latest issue of Charged, CEO Ryan Popple told us that the company is currently in contention for roughly 20% of the potential transit vehicle orders in the US over the next couple years,… Read more »

Wildcat Discovery Technology creates new experiments to accelerate battery research

The pulse of the industry: Wildcat Discovery Technology is at the forefront of battery research, solving problems and accumulating insight. When Charged wants to catch up on the newest trends in cutting-edge battery technology, there are a few companies we turn to for insight. At the top of the list is a group whose high-speed… Read more »

LG Chem Power CEO: We’re the Li-ion leader for PEVs because of material science

Q&A with LG Chem Power’s CEO: Dr. Prabhakar Patil on how the company became a Li-ion battery front-runner, the economics of building batteries, and why it spends little energy on what comes after lithium. Among Tier 1 automotive suppliers of lithium-ion cells, LG Chem is off to a clear lead, based on the number of announced… Read more »

EXCLUSIVE: Stealthy EV startup Atieva ramps up hiring, including many top ex-Tesla engineers

Last month at the SAE World Congress in Detroit, Charged came across a very interesting booth in the career development section. Atieva, a company we’ve heard little about, is hiring a lot of engineers for a new EV project. “Atieva is designing and creating a breakthrough electric car in the heart of Silicon Valley,” says the… Read more »