Biodiesel is a renewable biofuel, a form of diesel fuel, derived from biological sources like vegetable oils, animal fats, or recycled greases, and consisting of long-chain fatty acid esters. It is typically made from fats.

Biogas is a renewable gaseous fuel generated from organic materials including agricultural residues, manure, municipal waste, plant matter, sewage, wastewater, green waste, and food waste. Biogas is produced industrially via anaerobic digestion with anaerobic organisms or methanogens inside an anaerobic digester or…

Criticism of Google includes concern for tax avoidance, misuse and manipulation of search results, its use of others' intellectual property, concerns that its compilation of data may violate people's privacy and collaboration with the U.S. military on Google Earth to spy on users, censorship of search results and…

Jane Isabel Jacobs (née Butzner; 4 May 1916 – 25 April 2006) was an American-Canadian journalist, author, theorist, and activist who influenced urban studies, sociology, and economics. Her book The Death and Life of Great American Cities (1961) argued that "urban renewal" and "slum clearance" did not respect the needs…

The history of plug-in hybrid electric vehicles (PHEVs) spans a little more than a century, but most of the significant commercial developments have taken place after 2002. The revival of interest in this automotive technology together with all-electric cars is due to advances in battery and power management…

Pradhan Mantri Bharatiya Janaushadhi Pariyojana (PMBJP) (transl. Prime Minister’s Indian Public Medicine Scheme) is a campaign and public welfare scheme of the Government of India, launched in 2008 as the Jan Aushadhi Scheme by the Ministry of Chemicals and Fertilizers. The initiative was rebranded in 2016 as the…

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Amazon has been criticized on many issues, including anti-competitive business practices, its treatment of workers, offering counterfeit or plagiarized products, objectionable content of its books, tax and subsidy deals with governments supplying law enforcement with facial recognition surveillance tools; forming…