These BMWs are coveted for their strong engines and high-mileage capability. With proper maintenance, these BMWs will see you ...

Electronic fuel injection is better for its efficiency, but installing it in a car that wasn't built for it requires ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Cognitive control is the process by which goals or plans influence behaviour. Also called executive control, this process can inhibit automatic responses and influence working memory. Cognitive ...

In our experience, online birth control services offer low cost options and subscriptions to make getting birth control significantly easier, even if you don’t have insurance. For example, Hers does ...

Apple, Google, and Microsoft all offer free parental control apps or settings to help you keep your kids safer online. We walk you through the benefits and drawbacks of each. I review privacy tools ...

A fuel cell is a device that generates electric energy through electrochemical reactions between an oxidizing agent and a fuel – a material that stores energy in chemical form. Both species are not ...

Concerned about fluctuating fuel costs? Confused by mpg claims? Our free calculator helps you work out what you're paying and choose the right engine for your next car. Dino BurattiResearcher & writer ...

Abstract: This article utilizes a Fractional Order Proportional-Integral-Derivative (FOPID) controller for voltage regulation of a Proton Exchange Membrane fuel cell (PEMFC) in DC Microgrids. The ...