An energy superpower is a country that supplies large amounts of energy resources (crude oil, natural gas, coal, etc.) to a significant number of other countries - and therefore has the potential to influence world markets for political or economic gains. Energy superpower status might be exercised, for example, by…

Hybrid vehicle drivetrains transmit power to the driving wheels for hybrid vehicles. A hybrid vehicle has multiple forms of motive power, and can come in many configurations.

A hybrid electric truck is a form of truck that uses hybrid electric vehicle (HEV) technology for propulsion, instead of using only a combustion engine. According to a report from Pike Research, the global market for hybrid medium- and heavy-duty trucks and buses will increase from 9,000 vehicles sold in 2010 to more…

Hybrid Synergy Drive system (HSD), also known as Toyota Hybrid System II, is the brand name of Toyota Motor Corporation for the hybrid car drive train technology used in vehicles with the Toyota and Lexus marques. First introduced on the Prius, the technology is an option on several other Toyota and Lexus vehicles…

A plug-in hybrid electric vehicle (PHEV) or plug-in hybrid vehicle (PHV) is a type of hybrid electric vehicle equipped with a battery that can be recharged via a power cable to an external electric power source, in addition to charging internally by its on-board internal combustion engine–powered generator. While…

A power inverter or power invertor, often simply called an inverter or invertor, is a power electronic device or circuitry that changes direct current (DC) to alternating current (AC). The resulting AC frequency obtained depends on the particular device employed.

In air conditioning, an inverter compressor is a compressor that is operated with an inverter. In the hermetic type, it can either be a scroll or reciprocating compressor.

Solar power includes solar farms as well as local distributed generation, mostly on rooftops and increasingly from community solar arrays. In 2025, utility-scale solar power generated 295.7 terawatt-hours (TWh) in the United States.

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Solar power is a major contributor to electricity supply in Australia. As of December 2025, Australia's over 4.29 million solar PV installations had a combined capacity of 45.1 GW photovoltaic (PV) solar power.