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Study shows which vehicles pollute the least in every US county

arstechnica.com Unknown 2025-10-30 13:07:05

Greenhouse gas reduction is no longer a priority for the US government, but if you're looking for a new vehicle and want to buy something with the lowest life cycle carbon emissions, you're best off looking for a compact with a small battery. That's one of the findings of a comprehensive study from a group at the University of Michigan that calculates the overall cradle-to-grave carbon impact for different types of vehicles, including factors like powertrain options, location (within the country

Topics: battery mile percent pickup powertrains

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Swiss vs. UK approach to major tranport projects

news.ycombinator.com Unknown 2025-11-16 03:50:13

Start with the timetable So, let’s imagine the UK had done this in 2008. What might the planners have noticed? Well, first up, they'd have spotted that our major cities need more frequent and faster rail connections from suburbs to centres and that these are prevented at the moment by insufficient platform capacity in stations like Leeds, Manchester Piccadilly and Birmingham New Street. So we need more station capacity in our city centres. They'd have identified that many suburban lines into

Topics: capacity need new trains west

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Faster NextGen Acela Trains Are Coming to the U.S. at the Worst Time

gizmodo.com David Alff 2025-11-21 04:55:33

When former President Joe Biden unveiled his US$1.9 trillion infrastructure plan in 2021, he found the perfect place to go public: Philadelphia’s 30th Street Station rail yard. Over the din of crackling wires and grumbling engines, the president made his case for revitalizing the country’s roads, ports, airports and rail lines. Behind Biden sat rows of gleaming Amtrak trains. Among them was a prototype of NextGen Acela, a sleek machine engineered to deliver the fastest passenger service in Ame

Topics: acela amtrak new rail trains

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Amtrak NextGen Acela Debuts on August 28

news.ycombinator.com Beth Toll 2025-11-29 08:30:23

A new era of high-speed rail to begin between Boston and Washington, DC WASHINGTON – All aboard the future of East Coast travel! Starting Thursday, Aug. 28, customers can travel on Amtrak’s NextGen Acela – America’s high-speed train – connecting the Northeast Corridor between Washington, D.C., New York City, and Boston. 🛤️ This historic launch introduces: More trains : 28 brand-new trains entering service through 2027 : 28 brand-new trains entering service through 2027 More seats : 27% more

Topics: acela amtrak new nextgen trains

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Germany's identity crisis: The trains no longer run on time

news.ycombinator.com Aaron Wiener 2025-12-06 04:32:58

BERLIN — Germany: the land of beer, sausage and trains that run on time. Actually, make that the land where 56 percent of trains run on time. More precisely (or imprecisely, depending on how much of a rush you are in), the land where 56 percent of trains arrive within six minutes of the scheduled time — which is the cushion Deutsche Bahn, the national railroad company, allows itself for an “on-time” arrival. In Germany, punctuality is part of the national ethos. So to hear Germans talk about it

Topics: advertisement germany said train trains

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A short post on short trains

news.ycombinator.com Shaked Koplewitz 2025-12-16 16:15:07

Epistemic status: Main part is well-supported but may have some minor errors. The parts about potential future lines are inherently speculative. Small Train is Good Train A while ago, I wrote about how elevated trains are the greatest urbanism cheat code, increasing the amount of track miles you can build per dollar (or per year) by a factor of 2-4. And while I don’t have anything else on that order of magnitude, I do have one more easy 20-50% gain: Run shorter trains. The basic idea is simpl

Topics: build capacity jersey small trains

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Tram Trains

news.ycombinator.com Benedict Springbett 2025-12-31 12:37:12

We’re hiring someone in London to help grow Works in Progress's audience and sell Stripe Press books (and, soon, Works in Progress magazine subscriptions). If this could be you, please apply here! Many cities face the following problem. They have railway lines that go where people live. But these railway lines end at the edge of the city center, and don’t go out the other side. For cities with this problem, the solution is through running. Terminating a train and turning it around takes a lot

Topics: center city railway trains tram

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New York’s bill banning One-Person Train Operation

news.ycombinator.com Blair Lorenzo 2026-01-06 18:33:47

The New York State Legislature has just passed a bill (S4091/A04873) that would lock New York City’s transit system in the past. This bill, which would require a conductor to be on board every train operated by New York City Transit, is the technological equivalent of requiring every elevator in the city to still be staffed by an elevator operator. If you take other transit systems both across the country and around the world, you'll quickly realize that two-person train operation (TPTO) is an o

Topics: mta new train trains transit

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China’s Salt Typhoon Hackers Breached the US National Guard for Nearly a Year

wired.com Lily Hay Newman 2026-01-06 18:30:00

After reporting last week that the “raw” Jeffrey Epstein prison video posted by the FBI was likely modified in at least some ways (though there is no evidence that the footage was deceptively manipulated), WIRED reported on Tuesday that metadata analysis of the video shows approximately 2 minutes and 53 seconds were removed from one of two stitched-together clips. The United States Department of Homeland Security is facing controversy over DNA samples taken from approximately 133,000 migrant ch

Topics: data state trains video week

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Latest Tech News

Study shows which vehicles pollute the least in every US county

Swiss vs. UK approach to major tranport projects

Faster NextGen Acela Trains Are Coming to the U.S. at the Worst Time

Amtrak NextGen Acela Debuts on August 28

Germany's identity crisis: The trains no longer run on time

A short post on short trains

Tram Trains

New York’s bill banning One-Person Train Operation

China’s Salt Typhoon Hackers Breached the US National Guard for Nearly a Year

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