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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. Even though the CO 2 enhancements over background were comparable in the two years, about 25 ppm in 2002 and 35 ppm in 2010, the ?CO/?CO2 CO2 ratio for this flight track segment decreased from 24.5

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Mascoma Announces Feedstock Processing and Lignin Supply Agreement with Chevron Technology Ventures; Chevron Working on Converting Lignin to Hydrocarbon Fuel Components

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Mascoma will then convert the feedstock to cellulosic ethanol through its proprietary process, which produces lignin as a by-product. Chevron has filed applications for two patents on processes to convert lignin to a hydrocarbon feedstock via hydroprocessing; both applications were published on 3 September 2009. Earlier post.)

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Two case studies outline how Houston and Loveland are saving money with EVs in their fleets

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found that the city’s LEAFs will cost 41% less to own and operate than gasoline-powered vehicles. Loveland is now aiming to convert all of its light-duty fleet vehicles that work within a close distance of the city to EVs. In 2010, the city converted 15 Toyota Prius hybrids to plug-in hybrid electric vehicles (PHEVs).

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Report: Toyota to begin sales of fuel cell sedan in Japan this December

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It features performance and a cruising range similar to a gasoline engine vehicle (approximately 650 km / 404 miles) and a refueling time of roughly three minutes. The front compartment houses the electric motor, electronic control system and boost converter. Toyota FCV at the Paris Motor Show in October 2014. Click to enlarge.

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California Taxi Fleet Operator Orders 25 CNG/LPG Engine Prep Packages for Transit Connect

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California Yellow Cab of Santa Ana will convert its Transit Connects to CNG, to take advantage of the availability of natural gas fueling stations in Orange County. California Yellow Cab began using natural gas in 2002. Propane also burns cleaner than gasoline. liter and 6.8-liter liter gas engines.

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EPA Proposes to Streamline Approval Process for Fuel Conversion Systems

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Conversion systems allow vehicles to run on alternative fuels; most conversions involve switching gasoline or diesel vehicles to operate instead on a gaseous fuel such as natural gas or propane; an alcohol fuel; or electricity. EPA expects the streamlined approach to result in a cost savings for many converters. Intermediate age.

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Hyundai to offer Tucson Fuel Cell vehicle to LA-area retail customers in spring 2014; Honda, Toyota show latest FCV concepts targeting 2015 launch

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The Tucson Fuel Cell begins mass production for the US market in February 2014 at Ulsan—the plant that also manufactures the Tucson gasoline-powered CUV. Manufacturing the Tucson Fuel Cell at the same plant allows Hyundai to leverage both the high quality and cost-efficiency of its popular gasoline-powered Tucson platform.

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