Denver RTD orders 17 New Flyer electric buses
Green Car Congress
FEBRUARY 10, 2022
RTD provides transportation in the Denver metro area, delivering nearly 33 million annual bus rides on 124 routes.
Modelling the Impact of PHEVs on Ozone in Denver
Green Car Congress
JULY 18, 2010
Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.
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Terex introduces all-electric bucket truck; 9 initial utility customers
Green Car Congress
JUNE 7, 2022
The second truck will be delivered to its Denver fleet at the end of 2022. The other utilities receiving units will include: Oncor Electric Company, Central Hudson Gas & Electric, CenterPoint Energy, PNM Resources, Los Angeles Department of Water and Power, Con Edison, San Diego Gas & Electric, and SaskPower.
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Clean Energy signs deals for more than 20M gallons of renewable natural gas in past 45 days
Green Car Congress
SEPTEMBER 14, 2020
announced new and extended contracts for more than 20 million gallons of Redeem renewable natural gas (RNG) to accommodate the continued demand across key business segments for the ultra-low carbon fuel produced from organic waste. Clean Energy Fuels Corp. The station will provide approximately 3.2
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EPA proposes air pollution standards for oil and gas drilling operations; focus on capture of escaping natural gas
Green Car Congress
JULY 28, 2011
The US Environmental Protection Agency (EPA) proposed standards to reduce harmful air pollution from oil and gas drilling operations. Natural gas production in the USis growing, with more than 25,000 new and existing wells fractured or re-fractured each year. Methane, the primary constituent of natural gas, is a potent greenhouse gas.
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California Assemblymembers introduce bill phasing out gasoline-fueled small off-road engines
Green Car Congress
MARCH 30, 2021
California Assemblymembers Marc Berman (D-Menlo Park) and Lorena Gonzalez (D-San Diego) introduced legislation to phase out the sale of new gas-powered small off-road engines (SORE), which are primarily used in lawn and garden equipment, including leaf blowers, lawn mowers, and other outdoor power equipment.
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Renewable oils company Solazyme enters oil & gas drilling market with Encapso lubricant
Green Car Congress
MARCH 25, 2014
a renewable oil and bioproducts company, is entering into the oil and gas drilling fluids additive market. As long as the oil and gas industry continues to extract fossil fuels, we at Solazyme view it as an imperative that it is done in a more sustainable way to protect the environment for generations to come. Solazyme, Inc.,
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University of Texas at Austin study measuring methane emissions released from natural gas production
Green Car Congress
NOVEMBER 5, 2012
A research team led by The University of Texas at Austin, and including engineering and environmental testing firms URS and Aerodyne Research, is conducting a major field study to measure methane emissions from natural gas production, about which little empirical data exist.
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Hertz launches ‘electrified’ fleet push in Denver
Teslarati
JANUARY 19, 2023
Following enormous investments into electric vehicles, Hertz has launched its first planned electrified fleet in Denver, Colorado. “Our goal is to reduce Denver’s carbon emissions 80% by 2050, and expanding the use and availability of electric vehicles will play a major role in helping us achieve that goal.
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LA Unified School District Orders 130 CNG School Buses from Thomas Built
Green Car Congress
JULY 9, 2010
Thomas Built Buses, Daimler Trucks North America’s (DTNA) school bus manufacturer, has received an order for 130 compressed natural gas (CNG) school buses—the biggest contract for natural gas buses in the company’s history—from the Los Angeles Unified School District (LAUSD).
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Lyft commits to 100% EVs by 2030
Green Car Congress
JUNE 18, 2020
Although the upfront cost of EVs today is higher than gas-powered cars, EVs have lower fuel and maintenance costs that mean lower costs for drivers over the life of the vehicle. Last year Lyft launched hundreds of EVs onto the Lyft platform through Express Drive in Seattle, Atlanta, and Denver.
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Study quantifies impact of oil and gas emissions on Denver’s ozone problem
Green Car Congress
AUGUST 12, 2016
The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem. McDuffie et al.
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US DOT Awards $100M in Recovery Act Funds to 43 Transit Projects to Reduce Energy Consumption and Greenhouse Gas Emissions
Green Car Congress
SEPTEMBER 22, 2009
The US Department of Transportation (DOT) is awarding $100 million in Economic Recovery Act funding to 43 transit agencies for projects to reduce energy consumption and greenhouse gas emissions from both vehicles and facilities. The proposed replacement vehicles include small gas/electric hybrid buses. Minneapolis-St.
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Should we be encouraging EVs or discouraging old smoking cars that are the most polluting? | Opinion
EV Central
MAY 10, 2025
Interesting, but not even half as mind blowing as the work of genius and inventor Donald Stedman, who was a chemist at the University of Denver. Malcolm Gladwell spent a day by with him in Denver watching the machine at work beside a busy highway and quickly realised that very few vehicles set it off. Do let us know in the Comments.)
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Study on Greenhouse Gas Emissions from Global Cities Highlights Importance of Geophysical and Technical Factors
Green Car Congress
SEPTEMBER 7, 2009
An international study of 10 global cities found that a balance of geophysical factors (climate, access to resources, and gateway status) and technical factors (power generation, urban design, and waste processing) determine the greenhouse gas emissions (GHGs) attributable to cities. 2009) Greenhouse Gas Emissions from Global Cities.
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Study finds methane leaks from three large US natural gas fields in line with EPA estimates
Green Car Congress
FEBRUARY 20, 2015
We are beginning to get a sense of regional variation in methane emissions from natural gas production. The gas fields we studied for this paper produced about 20% of the natural gas in the United States, and more than half the shale gas, so this moves us closer to understanding methane leaks from US natural gas production.
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Ford begins production of 2012 Focus Electric at Michigan Assembly, C-MAX models on deck
Green Car Congress
DECEMBER 14, 2011
The 19 launch markets also include Atlanta; Austin and Houston, Texas; Boston; Chicago; Denver; Detroit; Los Angeles; San Francisco; San Diego; New York; Orlando, Fla.; Availability of the Focus Electric will expand in 2012 to the remaining 15 launch markets as production ramps up. Phoenix and Tucson, Ariz.; Portland, Ore.; Richmond, Va.;
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363 6.8M gallons in new contracts for Redeem renewable natural gas
Green Car Congress
NOVEMBER 6, 2019
The first phase of the project, which has been completed, delivers renewable compressed natural gas (CNG) through six new dispensers. In addition to a positive experience with natural gas tractors, the postal company is expanding its use of natural gas vehicles to support sustainability initiatives in the region.
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150 Ford prices Auto Start-Stop system in non-hybrid 2013 Fusion 1.6L EcoBoost model at $295
Green Car Congress
APRIL 2, 2012
Studies show drivers encounter an average of 10 to 15 red lights and stop signs on a typical 20 mile commute, which can add 5 to 15 minutes of idle time and wasted gas. Some communities—such as Denver, Colo. and Ann Arbor, Mich.—are —are also considering ordinances banning excessive engine idling.
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ChargePoint ranks US metro areas for EV friendliness; SF Bay Area still on top
Green Car Congress
MARCH 3, 2015
Austin fell to the number-six ranking after having held the number-four spot on the 2013 list; Washington, DC and Boston, MA fell from the ninth and tenth spots, respectively, while EV infrastructure growth and registrations propelled Atlanta and Denver into the top 10. Atlanta, GA. Denver, CO. Top 10 EV friendly metro areas.
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US average retail gasoline prices ended 2017 lower than they started
Green Car Congress
JANUARY 5, 2019
Rocky Mountains (Denver). Denver, however, is well-supplied from a number of pipelines and nearby refineries, and retail gasoline prices in the city were the second lowest of the 10 cities surveyed for 20 weeks of 2018. The region’s average gasoline prices were the second highest in the country for 38 weeks of 2018.
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Successful Engineering Validation Flight of US Commercial Jet Using 40:60 Synthetic Jet Fuel Blend
Green Car Congress
APRIL 30, 2010
The aircraft departed Denver International Airport and climbed to an altitude of 39,000 feet where the onboard team collected data on the performance of the fuel during several maneuvers, including taxi, takeoff, climb, cruise, auxiliary power unit start, descent and approach.
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NASA satellite images highlight US air quality improvement with reduction of NO2
Green Car Congress
JUNE 27, 2014
The gas is produced primarily during the combustion of gasoline in vehicle engines and coal in power plants. Measurements of nitrogen dioxide from OMI depict the concentration of the gas throughout a column of air in the troposphere, Earth’s lowest atmospheric layer. It’s also a good proxy for the presence of air pollution in general.
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210 GreenMan Subsidiary to test CNG/Diesel dual fuel upgrade on refuse transfer truck
Green Car Congress
FEBRUARY 7, 2011
In addition, the introduction of natural gas through APG’s dual fuel system does not impact diesel engine power or pulling torque and will assist in extending the engine’s oil life as natural gas is a cleaner burning fuel compared to diesel. The initial vehicle to be tested for Waste Connections of Colorado, Inc.
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199 Study concludes that NG leakage higher than reflected in inventories; transportation fuel climate benefits questioned
Green Car Congress
FEBRUARY 14, 2014
A review of 20 years of technical literature on natural gas (NG) emissions in the United States and Canada comprising more than 200 papers has concluded that official inventories consistently underestimate actual CH 4 emissions due to leakage from the natural gas system. Definitions of error bar bounds vary between studies. (US,
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Small modular reactor company Gen4 Energy will not pursue DOE SMR Licensing funding
Green Car Congress
APRIL 28, 2012
Gen4 Energy, based in Denver, Colorado, was founded in 2007, and is working in collaboration with Los Alamos National Laboratory, under the DOE Technology Transfer program, to develop an advanced design nuclear reactor referred to as the Gen4 Module (G4M).
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225 Pike Research forecasts US plug-in vehicle penetration rates to be highest in smaller states
Green Car Congress
SEPTEMBER 24, 2011
Hawaii, which typically has among the highest gas prices in the nation, will be the top state, with PEVs representing 6.3% Pacific Gas & Electric (California). Denver-Aurora-Broomfield, CO. penetration, respectively. of total light-duty vehicle sales in 2017. 4.6%), and Delaware (4.5%). Consolidated Edison (New York).
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261 Xcel Energy and Customer Coalition To Be Among First Users of Electric Transit Connect
Green Car Congress
SEPTEMBER 9, 2010
Xcel Energy, a major US electricity and natural gas company, will add two of the 13 vans into its corporate fleet. The company is finalizing agreements with others eligible to participate, including the city of Minneapolis and Hennepin County in Minnesota and the city of Denver in Colorado. The city of Saint Paul, Minn.,
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NIST Opens Hydrogen Infrastructure Test Facility
Green Car Congress
FEBRUARY 17, 2010
Because hydrogen can penetrate and embrittle some metals and alloys, developing standards for using existing pipelines, storage tanks, pumps and delivery systems is an essential first step before the elemental gas can be considered as a viable fuel for widespread use.
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DOE announces $139M in funding for 55 projects to advance innovative vehicle technologies
Green Car Congress
JULY 17, 2020
AOI 05: Improved Efficiency of Medium- and Heavy-Duty Natural Gas and Propane (LPG) Engines. Development of a Heavy-Duty Direct-Injection Spark- Ignition Natural Gas Engine. Gas Technology Institute. Field Demonstration of a Near-Zero, Tier 5 compliant, Natural Gas Hybrid Line-Haul Locomotive. Colorado State University.
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236 DOE awards LanzaTech $4M for low-carbon jet & diesel demo plant; 3M gpy; Audi evaluating fuel properties
Green Car Congress
DECEMBER 30, 2016
LanzaTech captures the waste gas from refineries and manufacturing plants and feeds the CO-rich gas to microbes that consume the gas and produce ethanol. To demonstrate process versatility, ethanol from other waste gas streams will be converted, including cellulosic ethanol produced via fermentation of biomass syngas by Aemetis.
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186 Southern Rock Energy Partners picks Cushing, OK as site for new $5.56B 250 kbpd crude refinery
Green Car Congress
MAY 29, 2023
The refinery complex will reduce and eliminate 95% of greenhouse gas emissions while producing approximately 91.25 million barrels or 3.8325 billion gallons annually of cleaner transportation fuels including gasoline, diesel, and jet fuel from crudes sourced domestically from the Anadarko, Permian, Denver and Julesburg, and Bakken Basins.
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DOE Awards $22.6M Grant to Rentech and ClearFuels Integrated Bio-Refinery Project
Green Car Congress
JANUARY 25, 2010
project to construct a biomass gasifier at Rentech’s Energy Technology Center (RETC) in Denver has been awarded a conditional $22.6-million The grant award will be used to manufacture and install at RETC a 20 ton-per-day ClearFuels biomass gasifier designed to produce synthesis gas from various wood waste and sugar cane bagasse feedstocks.
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US DOE Awards $300 Million in Clean Cities Grants to Support Alternative Fuels, Vehicles, and Infrastructure Development
Green Car Congress
AUGUST 26, 2009
The vehicles and infrastructure being funded include the use of natural and renewable gas, propane, ethanol, biodiesel, electricity, and hybrid technologies. New Jersey Clean Cities Coalition’s New Jersey Compressed Natural Gas Refuse Trucks, Shuttle Buses and Infrastructure. Total DOE award: $14,999,658. Total DOE award: $14,997,240.
Anadarko estimates net resources of 500M to 1.5B barrels oil equivalent in Colorado Wattenberg field
Green Car Congress
NOVEMBER 15, 2011
Our strategic acquisitions of and access to midstream assets in the region that include operated infrastructure, takeaway capacity, NGL (natural gas liquids) processing, and the White Cliffs Oil Pipeline provide us with an additional economic advantage. The Dolph well also paid out in less than four months.
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199 UPS to add 1,400 new CNG vehicles over next year; building 15 new CNG fueling stations
Green Car Congress
APRIL 2, 2015
To support the purchase and planned deployment of the 1,400 new CNG vehicles, UPS plans to build 15 compressed natural gas (CNG) fueling stations. Twelve of the CNG stations will be in new natural gas vehicle deployment areas, and three will replace existing CNG stations with more robust, higher capacity equipment. Doraville, Ga.;
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How U.S. Airports Like Pittsburgh’s Generate Electricity On Site to Avoid Heathrow-Like Outages
Baua Electric
MARCH 29, 2025
For almost four years, her airport has been powered by a mix of on-site natural gas generators and solar panels. Denver International Airport has multiple connections to the grid in case one fails, but it recently also put in place a solar-powered battery storage system to keep its underground trains running in an emergency.
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Enterprise Rent-A-Car Adds 5,000 Hybrids to Nationwide Fleet
Green Car Congress
FEBRUARY 3, 2009
Enterprise Rent-A-Car is adding approximately 5,000 additional gas/electric hybrids to its nationwide fleet and designating nearly 80 rental locations across the country as “hybrid branches.” The new hybrids will be available in 24 major markets across the country, including the 10 busiest airports for business travelers in the United States.
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150 GM Maven introduces monthly offering for members; vehicles include the Chevrolet Tahoe and Chevrolet Volt
Green Car Congress
MARCH 4, 2017
Insurance and $100 worth of gas are also included, and there are no membership or application fees. and Canada: Ann Arbor, Michigan; Atlanta; Baltimore; Boston; Chicago; Denver; Detroit; Los Angeles; Jersey City, New Jersey; Nashville, Tennessee; New York City; Orlando, Florida; Phoenix; San Diego; San Francisco; Washington, D.C.;
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USGS-led study finds that recent unusual snowpack declines in the Rockies may signal a fundamental shift from precipitation to temperature as dominant influence
Green Car Congress
JUNE 12, 2011
In the West, the average position of the winter storm tracks tend to fluctuate north and south around a latitudinal line connecting Denver, Salt Lake City and Sacramento. This study supports research by others estimating that between 30–60% of the declines in the late 20 th century are likely due to greenhouse gas emissions.
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Kenworth Receives Largest Hybrid Tractor and Truck Order Yet
Green Car Congress
MARCH 5, 2009
Coca-Cola Enterprises uses tractors as its standard bulk delivery truck for large deliveries, and plans to deploy the Kenworth hybrid tractors to Atlanta, Boston, Chicago, Dallas, Denver, Detroit, Houston, Los Angeles, Miami, Montreal, New Orleans, New York, Portland (Ore.), Gary Kapusta, CCE vice president of indirect procurement.
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EIA: planned capacity additions to US crude oil pipeline infrastructure should relieve Cushing bottleneck
Green Car Congress
FEBRUARY 14, 2013
The project would convert existing natural gas pipelines into 230,000-320,000 bbl/d of crude oil delivery capability from the Bakken formation and Denver-Julesburg basin to Cushing and nearby refineries in third quarter 2014. Pony Express. Another prominent project is Tallgrass’ planned Pony Express conversion. Permian Basin pipelines.
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220 Mayors Join Drive
Plug In Partners
JUNE 6, 2006
Conference of Mayors today unanimously endorsed a resolution encouraging the use of plug-in hybrid vehicles as an important step in reducing this country’s reliance on foreign oil and decreasing greenhouse gas emissions from vehicles. The result is an 80+ mile-per-gallon vehicle—with even greater fuel economy possible using biofuels.
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NREL researchers report on two approaches to upgrading biomass pyrolysis oil for hydrocarbon fuels
Green Car Congress
JUNE 19, 2012
At last month’s World Renewable Energy Forum 2012 in Denver, Colorado, researchers from the US National Renewable Energy Laboratory presented papers on two different approaches to upgrade pyrolysis oils to hydrocarbon fuels or fuel intermediates.
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