Sentence examples for economical source from inspiring English sources

Seeds sold in bulk for sprouting are another economical source.

This not only provides an economical source of heat but it uses a greenhouse gas that can harm the ozone, so we are helping the environment.

If and when California makes the switch to ethanol, we have not yet determined the most economical source of that fuel additive.

This led to the problem of finding an economical source of bromine, and here Midgley is credited with developing a method for extracting the element from seawater.

Before the 1920s, the only economical source of amyl alcohol was fusel oil, which is formed as a minor product in the fermentation of carbohydrates to make ethyl alcohol.

Bioenergy is much cleaner, safer, and more economical source of energy than fossil-based fuels.

Greenhouse gases will keep accumulating unless engineers build economical sources of low-carbon energy or develop techniques for sequestering carbon.

If the more fortunate among us will be asked to subsidize this entitlement to an even greater extent, why is it unreasonable to ask the beneficiaries to use the most economical sources of health care?

Although roller compacted concrete (RCC) made with and without fly ash (FA) has enjoyed numerous application of dams, roads and large floors construction in Europe, Japan, Australia and Unites States since 1970s, it has not almost yet been used at all in Turkey despite abundant and economical sources of FA and cement.

These efforts depend on the availability of reliable, economical sources of purified toxin components having consistent and well characterized properties.

Given the importance of liquid fuels in our society, it is critical to ensure that we have reliable and economical sources of these fuels for the future.