Abstract: This study investigates the harmonic emissions, photometric performance, and techno-economic implications of retrofitting T8 fluorescent tubes with LED alternatives under various ballast ...

Philly's streetlights are getting an upgrade to keep the city out of the dark. The city has completed a two-year initiative, called the Philly Streetlight Improvement Project, to replace every ...

As Hong Kong braces for the Gale or Storm Signal No. 8 at 2.20pm on Tuesday, the observatory said it will assess whether it needs to issue higher warning signals later at night to early on Wednesday.

There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The evolution of TV tech seems to move at a lightning pace. But if you already keep your eyes ...

There are many aftermarket add-ons you can equip on your car, including non-performance mods every car owner should install. One popular modificationt involves drivers installing LED headlights, which ...

Should transmission and differential fluids be changed on a 2006 Subaru Outback with only 41,000 miles? Since car batteries are so expensive, is it possible to use a cheaper marine battery in an ...

Legendary Porsche tuner RUF is offering a new LED kit for the 993-gen 911. Created with input from the 993's designer, the kit is plug-and-play simple. The new LEDs cost about $8700 and are almost ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

The smart money here suggests that there’s something your car’s electrical system and body computer don’t like about replacement LED lights. That’s assuming you’ve installed them correctly, of course.