Brazil has a long history in the development of ethanol for use as a liquid fuel for vehicles.
They have developed one of most efficient and economical systems for producing ethanol in …

Estudos que visem o desenvolvimento de metodologias analíticas mais precisas e que
identifiquem as fontes emissoras de poluentes, visando sua redução, vêm sendo realizados …

The levels of carbonyl compounds in Shanghai ambient air were measured in five periods
from January 2007 to October 2007 (covering winter, high-air-pollution days, spring, summer …

Abstract In South America, the observations of atmospheric pollutants are deficient, and few
cities have implemented air quality monitoring programs. In addition, Volatile Organic …

On-road emissions of carbonyls from the current vehicle fleet of Brazil were determined in
two experimental campaigns, conducted in traffic tunnels located in the Metropolitan Area of …

The Metropolitan Area of São Paulo (MASP) is the largest megacity in South America, with
21 million inhabitants and more than 8 million vehicles. Those vehicles run on a complex …

Aldehydes are highly reactive carbonyl compounds that are widespread in the nature.
Aldehydes are broadly distributed in the indoor and outdoor environment sourced from the …

The promotion of good indoor air quality in schools is of particular public concern for two
main reasons:(1) school-age children spend at least 30% of their time inside classrooms …

The broad expanse of the urban metropolitan area of São Paulo (MASP) has made buses,
the predominant public transport mode for commuters in the city. In 2016, the bus fleet in the …

The research field on alternative fuels has been developed in order to reduce the current
dependence on petroleum derivatives and to improve air quality. Since the transportation …