The new 24-volt configuration helps fleets reduce engine idling while maintaining sleeper cab comfort and protecting starter batteries.

Alternators like this one will probably disappear from the front of engines, replaced by a starter generator built into the transmission. Photo: Jim Park Within a decade’s time we will probably have ...

One underappreciated advantage of higher-voltage EV architectures is their impact on vehicle weight and packaging. Because ...

Tesla surprised many people in March 2023 when it announced switching to a 48-volt electrical architecture with the Cybertruck. Later, Tesla sent the 48-volt architecture white papers to several car ...

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

Volvo is upgrading its all-electric EX90 SUV to an 800-volt electrical system for the 2026 model year. The 2026 EX90 also gets new driver-assist and safety tech. 2025 EX90 owners can upgrade their ...

With the advent of the electric era comes an entirely new lexicon for the automotive enthusiast to familiarize themselves with—kilowatt-hours, MPGe, SAE J1772—but few seem as poorly understood or as ...

The Professional Electrical Apparatus Recyclers League (PEARL), Aurora, Colo., recently released 40 low-voltage electrical reconditioning standards aimed at electrical supply houses and contractors ...

Home Depot's selection of electrical tools includes many that are user-friendly, making them ideal for DIYers or those with ...

We recently had to jump-start our 4-year-old Toyota Prius. It turns out that the Prius uses a 12-volt battery for starting. My question is: When the Prius has a large battery that can move the car, ...

Manufacturers are investing huge sums into battery technology to maximize the range and performance of new electric cars. However, if you pop the hood of a modern EV, you might find a regular old ...