$677M Oak Hill Parkway Project Completed on Congested Texas Intersection
Crews replaced the former Y-interchange with a more efficient single-point urban configuration to ease traffic in Austin.
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Latest on Efficient
Newest firstEnergy
US Solar Panel Makers Try to Catch China With a Big Leap in Technology
Manufacturers say they are close to perfecting a new, more efficient solar panel that could help the United States reclaim ground it lost.
Autos
Environmental groups sue Trump administration over eased vehicle fuel economy rules
A group of environmental organizations sued the Trump administration on Friday over its recent relaxation of key vehicle fuel economy rules, a move the group s…
Autos
Trump finalizes rule to make cars less fuel efficient
Trump finalizes rule to make cars less fuel efficient
As A.I. Makes Law Firms More Efficient, Clients Ask: 'Where's My Discount?'
There's growing pressure to move beyond the billable hour. But big firms aren't ready to blow up their trusted business model.
AI
A Startup Wants to Power Data Centers With 'Supercritical' Carbon Dioxide
The technology could strap onto existing gas turbines and make them more efficient - but it wouldn't do away with their emissions entirely.
Autos
Volkswagen's crazy-efficient EV borrows an idea from Slate
Volkswagen's new efficiency-minded halo car is almost twice as efficient as the most efficient production car, the Lucid Air.
Autos
Hyundai's Next Elantra Hybrid Will Be Even More Efficient
The eight-generation sedan will be larger and more powerful than the outgoing model, while returning similar fuel economy ratings.
Autos
Audi's new A2 E-tron is its most affordable and efficient EV yet
Audi's new A2 E-tron is its most affordable and efficient EV yet
Technology
Paul Graham says launching a startup is the 'least efficient' way to look cool
Paul Graham says launching a startup is the 'least efficient' way to look cool
Transport
This startup is fuel-injecting hydrogen to make cargo ships more efficient
Newlight has raised a $9 million seed round and completed an 8,500-nautical-mile test run from Singapore to Ghana.
Energy
How Smart Solar Technology is Making Off-Grid Power More Efficient
It's not just about the installation of more solar panels for the next generation of renewable energy. It has to do with the utilization of every single square…
Mazda Won't Let The Rotary Die. This Patent Could Make It More Efficient
A new Mazda patent filing reveals an innovative exhaust gas recirculation (EGR) system for rotary engines.
Autos
Audi Claims The New A2 E-Tron Is Its Most Efficient Car Ever
The A2 returns this fall, but as an entirely different car from its illustrious predecessor.
Autos
Tata Tops Tesla: Indian EVs Are the World's Most Efficient
Tata Sierra.ev and Mahindra BE 6 highlight how compact Indian crossovers achieve low Wh/mi on local cycles compared with larger US-market electric vehicles.
AI
AI got this lawyer away from his desk: 'Dramatically more efficient'
AI got this lawyer away from his desk: 'Dramatically more efficient'
Autos
The Cybercab is the lightest, most efficient Tesla ever made
The Cybercab is the lightest, most efficient Tesla ever made
Energy
Can stadiums be energy efficient? USGBC map shows that many of them are
The U.S. Green Building Council has conferred LEED status on 31 stadiums in North America, from the 9,500-seat Southwest University Park in El Paso, Texas, to…
Technology
Nvidia announces RTX Spark as 'the most efficient PC chip ever built'
Nvidia announces RTX Spark as 'the most efficient PC chip ever built'
MB Crusher MB-T150 Turns Compact Loaders Into More Efficient Demolition Machines
Mounted between the loader and attachment, the MB-T150 lets operators slide and rotate attachments from the cab, speeding up demolition...
AI
OpenAI says its new GPT-5.5 model is more efficient and better at coding
OpenAI says its new GPT-5.5 model is more efficient and better at coding
Autos
This Chinese Automaker Just Made The Most Efficient Engine Ever
Geely's new hybrid powertrain can achieve a 48.4 percent thermal efficiency.
Crypto
Brick Making Machines: Guide for Efficient and Scalable Production
Most people who get into brick production already know the basics, but it's the details that determine whether your operation runs smoothly or constantly falls…
AI
AI spending will boost productivity - but first it'll make even the most efficient firms look like slackers
Companies and investors can expect a painful transition - and the economy will be impacted as well.
Macro
Tokenization makes finance more efficient but introduces risks: IMF
The IMF said tokenization could improve cross-border payments and financial inclusion in emerging economies but cited concerns over volatility and the "erosion…
Autos
Even with $4 gas, upgrading to a more efficient car might not save you money
Don't turn high gas prices into a "nearly $50,000 problem," one expert warns.
AI
AT&T CEO John Stankey says AI made the company 40% more efficient.
AT&T CEO John Stankey says AI made the company 40% more efficient.
AI
I'm an AI consultant and using AI agents saves me hours. My clients follow 5 steps to become more efficient.
I'm an AI consultant and using AI agents saves me hours. My clients follow 5 steps to become more efficient.
The Best Smart Sleep Pads for Your Most Efficient Sleep (2026)
Get tracking, temperature regulation, and other smart features without the hassle or investment of a smart bed.
Energy
'My bills are lower and I'm warmer in energy efficient home'
179,000 households meet the Department for Communities' fuel poverty criteria, spending at least 10% of their income to cover domestic energy bills.
