If an EV uses only 30 kWh of battery power per 100 miles, then it is more efficient than a car that uses 40 kWh of power. Invert the efficiency formula and it shows miles per kWh, like mpg: The 30 ...

A new study is shedding light on why solar radiation is more effective than other forms of energy at causing water to evaporate. The key factor turns out to be the oscillating electric field inherent ...

Efficiency standards can still help consumers. For most of the past half century, the arc of energy efficiency bent toward ...

An analysis of electric motor efficiency and how it can be improved by increasing phase counts. ... Then total power is found with Equation 1. First though, the phase resistance must be known.

There are big thermal efficiency gains to be had using electric turbochargers. Mercedes-AMG said in 2017 its electric-turbocharged Formula 1 V-6 exceeded 50 percent thermal efficiency, which was one ...

Pump efficiency (Equation 4) ... and power frequency. The equation describes the dependence of the number of plunger pumping cycles on motor design, power frequency, ...

Divya Tyagi, a Penn State engineering student, has cracked a 100-year-old wind energy equation, refining Glauert’s classical model and significantly improving wind turbine efficiency. Her ...

F1’s hybrid power units are the most technologically advanced engines in the world, boasting astonishing levels of efficiency and power output. Formula 1’s current engine regulations dictate ...

Bloom Energy, a world leader in solid oxide fuel cell technology, is now offering the Bloom Energy Server™ power solution with~ 60% electrical efficiency* while using 100% hydrogen 2. Bloom ...

While replacing gas-burning appliances like furnaces with electric ones like heat pumps would increase energy demand, home efficiency upgrades, including insulation or air sealing, reduce that demand.