Sentences with phrase «varying fuel mixes»

Not exact matches

The actual molecules were a mix of gas of varied provenance, coming as they did from a storage tank in the U.K. that also contained fuel from Algeria, Trinidad and Tobago and Qatar, among others.

A recent study found that an electric car charged by utilities at night in the regional grid that stretches across Ohio, Delaware, Pennsylvania and Virginia creates more greenhouse gas pollution than if owners plugged in their vehicles at random times throughout the daytime, when the utility fuel mixes are more varied.

Of course, the energy mix used also matters — emissions vary depending on where the solar modules are made, perhaps also where nuclear fuel is mined, how far oil and coal must be transported, etc..

The mix of fuels and technologies for clean cooking in rural areas varies, depending on locally available resources and infrastructure, but in total around 1 billion people in rural areas gain access via improved biomass cookstoves, while LPG and biogas provide for the remaining 1 billion people.

However, sulphate is invariably internally and externally mixed to varying degrees with other compounds such as biomass burning aerosol (e.g., Formenti et al., 2003), fossil fuel black carbon (e.g., Russell and Heintzenberg, 2000), organic carbon (Novakov et al., 1997; Brock et al., 2004), mineral dust (e.g., Huebert et al., 2003) and nitrate aerosol (e.g., Schaap et al., 2004).