[Sermon] sobre el Evangelio de San Luc. cap. 18, ver. 41 : Domine ut videam, de la Domenica de quinquagesima,[a 28 de febrero de 1797] ...

Sumario: Homilia manuscrita basada en ese versículo de san Lucas: "Señor, que vea ... Jesus, Hijo de David, ten compasión de mí"

Airplane materials compatibility with blends of fossil kerosene JET A1 with biokerosenes from babassu, palm kernel and coconut oils

The aviation companies are facing some problems that argue in favor of biofuels: Rising cost of traditional fuel: from 0.71 USD/gallon in May 2003 to 3.09 USD/gallon in January 2012. Environmental concerns: direct emissions from aviation account for about 3 % of the EU’s total greenhouse gas emissions. The International Civil Aviation Organization (ICAO) forecasts that by 2050 they could grow by a further 300-700 %. On December 20th 2006 the European Commission approved a law proposal to include the civil aviation sector in the European market of carbon dioxide emission rights (European Union Emissions Trading System, EUETS)