46 metro cities for the year 2015–16 shows Vijayawada produces 550 tonnes of solid waste per day. Vijayawada is one of the cities to be covered under the Solar/Green Cities scheme launched by the Ministry of New and Renewable Energy and is one of the 15 cities in the country listed in Pilot Solar Cities. In 2007, the Andhra Pradesh State Road Transport Corporation (APSRTC) that operates the city's public transport system introduced less-polluting CNG fueled public transport busses in a drive to reduce the operational cost and protect the environment. In 2019, with the cost of CNG and fleet maintenance on the rise, the APSRTC had begun replacing the CNG run busses with BS4 and BS6 standard diesel-fueled buses. However, APSRTC continues to be committed to alternative fuels for its fleet. It has since added more electric, and biodiesel fueled busses. Likewise, the city has a large number of CNG fueled auto-rickshaws that support public transportation needs. However, auto-rickshaw operators have frequently suffered disruption in CNG supply and usually endure long queues to refuel. In February 2020, Piaggio Vehicles Private Limited launched the sale of electric auto-rickshaws in the city. Law and order The Vijayawada City Police has its own Police Commissionerate, which is responsible for an area of , is headed by a Police Commissioner, who is an IPS officer of Additional Director General of Police rank along with one joint commissioner of police and four Deputy Commissioners of Police who are also IPS officers. The present Police commissioner is Bathini Sreenivasulu. Economy Vijayawada is one of the rapidly growing urban markets of the country. The sectors that contribute to the city economy are construction, education, entertainment, food processing, hospitality, registrations, transport, etc. Based on the recommendations of the Sixth Central Pay Commission, it is classified as one of the Y-grade cities of India. According to one study, the GDP of the city in 2010 was $3 billion (Rs. 18,000 crore) and is expected to grow up to $17 billion (Rs. 1,02,000 crore) by 2025. According to another by Oxford the GDP of the city in 2018 was $5.8 billion and is expected to grow up to $21 billion by 2035. Andhra Cements (1937) was the first cement factory in Andhra Pradesh. Siris Pharmaceuticals was the first pharma company in Andhra Pradesh and was established in 1950. The city has trading and exporting markets for agriculture and industrial