Tag

Energyefficiency

All articles tagged with #energyefficiency

California Tightens Tire Rules to Boost Efficiency, Shrinking Choices
policy4 days ago

California Tightens Tire Rules to Boost Efficiency, Shrinking Choices

California's Energy Commission unanimously approved a rule requiring most replacement tires sold in the state to meet rolling-resistance levels close to the original equipment, significantly narrowing available options (about 70% of current tires would no longer qualify). The regime phases in from 2029 to 2033, with per-tire costs rising from roughly $1.50 to $6.50, offset by projected gasoline savings (about $179 per tire set under certain gas-price assumptions). Exceptions include used, motorsport, snow, motorcycle, and large off-road tires. Critics, including Goodyear, warn costs could be higher than government estimates. A new leaf-rating system will signal tire efficiency. No public vote occurred, and other states are watching as California’s standards could spread.

Europe should normalize air conditioning to weatherproof heat
climate1 month ago

Europe should normalize air conditioning to weatherproof heat

Vox argues that Europe should stop stigmatizing cooling and embrace air conditioning as a practical climate adaptation tool, since extreme heat is becoming more common and only a minority of European homes have AC. The piece notes Europe’s lag behind the U.S. in cooling prevalence and the fact that essential public spaces like schools and hospitals often lack AC. It contends that rather than a moral shortcoming, modern, energy-efficient cooling—paired with building design and grid resilience—can protect health, productivity, and welfare during heat waves.

"Sony Unveils Mini LED 4K TVs at CES 2024, Hints at PSVR 2 Updates Amidst OLED Competition"
technology2 years ago

"Sony Unveils Mini LED 4K TVs at CES 2024, Hints at PSVR 2 Updates Amidst OLED Competition"

Sony has announced a new Mini LED technology set to feature in a 2024 flagship TV model, promising a display that's 1.5 times brighter than its predecessor, the X95L, with more dimming zones and reduced power consumption. The new 22-bit Mini LED driver, which includes 10-bit current and 12-bit PWM, is the smallest in the world, allowing for an increased number of dimming zones and a significant reduction in blooming effects. Energy efficiency is also improved, with a 10-15% reduction in power usage in standard mode and up to 30% in Eco mode. Details on the model name, release date, and pricing are yet to be announced.

"Ancient Roofing Technique Halves Yearly Rainfall Impact for Modern Homeowners"
environment-and-lifestyle2 years ago

"Ancient Roofing Technique Halves Yearly Rainfall Impact for Modern Homeowners"

In Washington D.C., architects Mark and Lucia Freeman installed a green roof on their home, an ancient method that provides environmental benefits such as reducing annual rainfall runoff by 50%, creating habitats for wildlife, and improving energy efficiency by lowering summertime energy costs by 15-25%. Despite the higher initial cost, the green roof offers a sustainable solution to urban heat islands and heavy rainfall, while also being a cooler alternative to traditional roofing materials. The Freemans' choice reflects a growing interest in eco-friendly home features that can help mitigate climate change impacts.