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Joby completes initial FAA Systems, Compliance Reviews for eVTOL aircraft

Green Car Congress

Joby Aviation, a California-based company developing all-electric aircraft for commercial passenger service, announced the completion and subsequent approval of its first Systems Review and its first Compliance Review by the Federal Aviation Administration (FAA). —Tom Ferrell, Development Assurance Lead at Joby.

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In Praise of “Normal” Engineers

Cars That Think

A version of this post originally appeared in Refactoring , a Substack offering advice for software engineers. I think their existence is what explains the curious durability of the notion of a 10x engineer, someone who is 10 times as productive or skilled as their peers. At one point, I was a pretty good database reliability engineer.

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EPA to evaluate whether lead emissions from piston-engine aircraft endanger human health and welfare

Green Car Congress

The US Environmental Protection Agency (EPA) will evaluate whether emissions from piston-engine aircraft operating on leaded fuel contribute to air pollution that endangers public health and welfare. The agency plans to issue a proposal for public review and comment in 2022 and take final action in 2023.

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EPA proposes endangerment finding for lead emissions from aircraft engines that operate on leaded fuel

Green Car Congress

Under the Clean Air Act, EPA reviews information on air pollutants and sources of air pollution to determine whether they threaten human health or welfare. Piston-engine aircraft are the largest single source of remaining lead emissions to the air in the US, contributing 70% of the lead entering the air annually.

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Co-Optima team publishes details on its boosted SI engine research and figure of merit

Green Car Congress

For the past four years, the US Department of Energy’s Co-Optima team ( earlier post ) has focused research efforts on turbocharged (or “boosted”) spark-ignition (SI) engines, which is the dominant combustion approach for light-duty vehicles such as passenger cars and light trucks. —Szybist et al.

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DOE estimates EV battery pack costs in 2022 nearly 90% lower than in 2008

Green Car Congress

2017 – Steven Boyd, DOE, Vehicle Technologies Office, 2017 Annual Merit Review, Batteries and Electrification R&D Overview , 18 June 2018, PowerPoint presentation, p. 2016 – David Howell, DOE, Vehicle Technologies Office, 2017 Annual Merit Review, Electrochemical Energy Storage R&D Overview , 20 June 2017, PowerPoint presentation, p.

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2025 Subaru WRX tS Review -- STI? What STI?

The Truth About Cars

And while the extra cash doesn't buy more horsepower or more twist, the engine still has enough grunt to power you out of said corner with alacrity. The engine also remains high strung and high-revving, no matter how you match it with the gearbox. It's just damn fun to toss into a corner -- no matter which drive mode you're in.